diff --git a/artifacts/ChildMintableERC721.json b/artifacts/ChildMintableERC721.json
index e0989a64..bff1e644 100644
--- a/artifacts/ChildMintableERC721.json
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index d8dc4b84..a798318e 100644
--- a/artifacts/DummyMintableERC721.json
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+{"abi":[{"inputs":[{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"userAddress","type":"address"},{"indexed":false,"internalType":"address payable","name":"relayerAddress","type":"address"},{"indexed":false,"internalType":"bytes","name":"functionSignature","type":"bytes"}],"name":"MetaTransactionExecuted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ERC712_VERSION","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PREDICATE_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"userAddress","type":"address"},{"internalType":"bytes","name":"functionSignature","type":"bytes"},{"internalType":"bytes32","name":"sigR","type":"bytes32"},{"internalType":"bytes32","name":"sigS","type":"bytes32"},{"internalType":"uint8","name":"sigV","type":"uint8"}],"name":"executeMetaTransaction","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getChainId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"getDomainSeperator","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"getNonce","outputs":[{"internalType":"uint256","name":"nonce","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getRoleMember","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleMemberCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"metaData","type":"bytes"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"exists","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}]}
diff --git a/contracts/Migrations.sol b/contracts/Migrations.sol
index 96efbe11..73a2d267 100644
--- a/contracts/Migrations.sol
+++ b/contracts/Migrations.sol
@@ -1,5 +1,6 @@
 pragma solidity 0.6.6;
 
+
 contract Migrations {
     address public owner;
     uint256 public last_completed_migration;
diff --git a/contracts/child/ChildChainManager/ChildChainManager.sol b/contracts/child/ChildChainManager/ChildChainManager.sol
index e3240368..317138eb 100644
--- a/contracts/child/ChildChainManager/ChildChainManager.sol
+++ b/contracts/child/ChildChainManager/ChildChainManager.sol
@@ -7,6 +7,7 @@ import {Initializable} from "../../common/Initializable.sol";
 import {AccessControlMixin} from "../../common/AccessControlMixin.sol";
 import {IStateReceiver} from "../IStateReceiver.sol";
 
+
 contract ChildChainManager is
     IChildChainManager,
     Initializable,
@@ -76,16 +77,19 @@ contract ChildChainManager is
         }
     }
 
-    function _syncDeposit(bytes memory syncData) private {
-        (address user, address rootToken, bytes memory depositData) = abi
-            .decode(syncData, (address, address, bytes));
-        address childTokenAddress = rootToChildToken[rootToken];
-        require(
-            childTokenAddress != address(0x0),
-            "ChildChainManager: TOKEN_NOT_MAPPED"
-        );
-        IChildToken childTokenContract = IChildToken(childTokenAddress);
-        childTokenContract.deposit(user, depositData);
+    /**
+     * @notice Clean polluted token mapping
+     * @param rootToken address of token on root chain. Since rename token was introduced later stage,
+     * clean method is used to clean pollulated mapping
+     */
+    function cleanMapToken(
+        address rootToken,
+        address childToken
+    ) external override only(MAPPER_ROLE) {
+        rootToChildToken[rootToken] = address(0);
+        childToRootToken[childToken] = address(0);
+
+        emit TokenMapped(rootToken, childToken);
     }
 
     function _mapToken(address rootToken, address childToken) private {
@@ -106,18 +110,15 @@ contract ChildChainManager is
         emit TokenMapped(rootToken, childToken);
     }
 
-    /**
-     * @notice Clean polluted token mapping
-     * @param rootToken address of token on root chain. Since rename token was introduced later stage, 
-     * clean method is used to clean pollulated mapping
-     */
-    function cleanMapToken(
-        address rootToken,
-        address childToken
-    ) external override only(MAPPER_ROLE) {
-        rootToChildToken[rootToken] = address(0);
-        childToRootToken[childToken] = address(0);
-
-        emit TokenMapped(rootToken, childToken);
+    function _syncDeposit(bytes memory syncData) private {
+        (address user, address rootToken, bytes memory depositData) = abi
+            .decode(syncData, (address, address, bytes));
+        address childTokenAddress = rootToChildToken[rootToken];
+        require(
+            childTokenAddress != address(0x0),
+            "ChildChainManager: TOKEN_NOT_MAPPED"
+        );
+        IChildToken childTokenContract = IChildToken(childTokenAddress);
+        childTokenContract.deposit(user, depositData);
     }
 }
diff --git a/contracts/child/ChildChainManager/ChildChainManagerProxy.sol b/contracts/child/ChildChainManager/ChildChainManagerProxy.sol
index 99de0fe4..e0471a8c 100644
--- a/contracts/child/ChildChainManager/ChildChainManagerProxy.sol
+++ b/contracts/child/ChildChainManager/ChildChainManagerProxy.sol
@@ -2,6 +2,7 @@ pragma solidity 0.6.6;
 
 import {UpgradableProxy} from "../../common/Proxy/UpgradableProxy.sol";
 
+
 contract ChildChainManagerProxy is UpgradableProxy {
     constructor(address _proxyTo)
         public
diff --git a/contracts/child/ChildToken/ChildMintableERC721.sol b/contracts/child/ChildToken/ChildMintableERC721.sol
index 5925f43f..1572fec8 100644
--- a/contracts/child/ChildToken/ChildMintableERC721.sol
+++ b/contracts/child/ChildToken/ChildMintableERC721.sol
@@ -17,6 +17,8 @@ contract ChildMintableERC721 is
     bytes32 public constant DEPOSITOR_ROLE = keccak256("DEPOSITOR_ROLE");
     mapping (uint256 => bool) public withdrawnTokens;
 
+    event TransferWithMetadata(address indexed from, address indexed to, uint256 indexed tokenId, bytes metaData);
+
     constructor(
         string memory name_,
         string memory symbol_,
@@ -71,6 +73,47 @@ contract ChildMintableERC721 is
         _burn(tokenId);
     }
 
+    /**
+     * @notice called when user wants to withdraw token back to root chain with token URI
+     * @dev Should handle withraw by burning user's token.
+     * Should set `withdrawnTokens` mapping to `true` for the tokenId being withdrawn
+     * This transaction will be verified when exiting on root chain
+     *
+     * Before calling this function, you may want calling `encodeTokenMetadata`
+     * and get metadata to be transferred from L2 to L1 during exit
+     *
+     * @param tokenId tokenId to withdraw
+     */
+    function withdrawWithMetadata(uint256 tokenId) external {
+
+        require(_msgSender() == ownerOf(tokenId), "ChildMintableERC721: INVALID_TOKEN_OWNER");
+        withdrawnTokens[tokenId] = true;
+
+        // Encoding metadata associated with tokenId & emitting event
+        emit TransferWithMetadata(ownerOf(tokenId), address(0), tokenId, this.encodeTokenMetadata(tokenId));
+
+        _burn(tokenId);
+
+    }
+
+    /**
+     * @notice This method is supposed to be called by client when withdrawing token with metadata
+     * and pass return value of this function as second paramter of `withdrawWithMetadata` method
+     *
+     * It can be overridden by clients to encode data in a different form, which needs to
+     * be decoded back by them correctly during exiting
+     *
+     * @param tokenId Token for which URI to be fetched
+     */
+    function encodeTokenMetadata(uint256 tokenId) external view virtual returns (bytes memory) {
+
+        // You're always free to change this default implementation
+        // and pack more data in byte array which can be decoded back
+        // in L1
+        return abi.encode(tokenURI(tokenId));
+
+    }
+
     /**
      * @notice Example function to handle minting tokens on matic chain
      * @dev Minting can be done as per requirement,
diff --git a/contracts/root/RootToken/DummyMintableERC721.sol b/contracts/root/RootToken/DummyMintableERC721.sol
index d3742362..19d1abb5 100644
--- a/contracts/root/RootToken/DummyMintableERC721.sol
+++ b/contracts/root/RootToken/DummyMintableERC721.sol
@@ -40,6 +40,36 @@ contract DummyMintableERC721 is
         _mint(user, tokenId);
     }
 
+    /**
+     * If you're attempting to bring metadata associated with token
+     * from L2 to L1, you must implement this method, to be invoked
+     * when minting token back on L1, during exit
+     */
+    function setTokenMetadata(uint256 tokenId, bytes memory data) internal virtual {
+        // This function should decode metadata obtained from L2
+        // and attempt to set it for this `tokenId`
+        //
+        // Following is just a default implementation, feel
+        // free to define your own encoding/ decoding scheme
+        // for L2 -> L1 token metadata transfer
+        string memory uri = abi.decode(data, (string));
+
+        _setTokenURI(tokenId, uri);
+    }
+
+    /**
+     * @dev See {IMintableERC721-mint}.
+     * 
+     * If you're attempting to bring metadata associated with token
+     * from L2 to L1, you must implement this method
+     */
+    function mint(address user, uint256 tokenId, bytes calldata metaData) external override only(PREDICATE_ROLE) {
+        _mint(user, tokenId);
+
+        setTokenMetadata(tokenId, metaData);
+    }
+
+
     /**
      * @dev See {IMintableERC721-exists}.
      */
diff --git a/contracts/root/RootToken/IMintableERC721.sol b/contracts/root/RootToken/IMintableERC721.sol
index 4e9db71d..b150d710 100644
--- a/contracts/root/RootToken/IMintableERC721.sol
+++ b/contracts/root/RootToken/IMintableERC721.sol
@@ -12,6 +12,19 @@ interface IMintableERC721 is IERC721 {
      */
     function mint(address user, uint256 tokenId) external;
 
+    /**
+     * @notice called by predicate contract to mint tokens while withdrawing with metadata from L2
+     * @dev Should be callable only by MintableERC721Predicate
+     * Make sure minting is only done either by this function/ 👆
+     * @param user user address for whom token is being minted
+     * @param tokenId tokenId being minted
+     * @param metaData Associated token metadata, to be decoded & set using `setTokenMetadata`
+     *
+     * Note : If you're interested in taking token metadata from L2 to L1 during exit, you must
+     * implement this method
+     */
+    function mint(address user, uint256 tokenId, bytes calldata metaData) external;
+
     /**
      * @notice check if token already exists, return true if it does exist
      * @dev this check will be used by the predicate to determine if the token needs to be minted or transfered
diff --git a/contracts/root/TokenPredicates/MintableERC721Predicate.sol b/contracts/root/TokenPredicates/MintableERC721Predicate.sol
index 01e7bb8a..f373da73 100644
--- a/contracts/root/TokenPredicates/MintableERC721Predicate.sol
+++ b/contracts/root/TokenPredicates/MintableERC721Predicate.sol
@@ -17,6 +17,8 @@ contract MintableERC721Predicate is ITokenPredicate, AccessControlMixin, Initial
     bytes32 public constant TOKEN_TYPE = 0xd4392723c111fcb98b073fe55873efb447bcd23cd3e49ec9ea2581930cd01ddc;
     // keccak("Transfer(address,address,uint256)")
     bytes32 public constant TRANSFER_EVENT_SIG = 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;
+    // keccak("TransferWithMetadata(address,address,uint256,string)")
+    bytes32 public constant TRANSFER_WITH_METADATA_EVENT_SIG = 0xf3c6803764de9a0fc1c2acb6a71f53407c5e2b9a3e04973e6586da23d64ecaa5;
 
     event LockedMintableERC721(
         address indexed depositor,
@@ -92,28 +94,69 @@ contract MintableERC721Predicate is ITokenPredicate, AccessControlMixin, Initial
         RLPReader.RLPItem[] memory logRLPList = log.toRlpItem().toList();
         RLPReader.RLPItem[] memory logTopicRLPList = logRLPList[1].toList(); // topics
 
-        require(
-            bytes32(logTopicRLPList[0].toUint()) == TRANSFER_EVENT_SIG, // topic0 is event sig
-            "MintableERC721Predicate: INVALID_SIGNATURE"
-        );
-
-        address withdrawer = address(logTopicRLPList[1].toUint()); // topic1 is from address
-
-        require(
-            address(logTopicRLPList[2].toUint()) == address(0), // topic2 is to address
-            "MintableERC721Predicate: INVALID_RECEIVER"
-        );
-
-        IMintableERC721 token = IMintableERC721(rootToken);
-        uint256 tokenId = logTopicRLPList[3].toUint(); // topic3 is tokenId field
-        if (token.exists(tokenId)) {
-          token.safeTransferFrom(
-              address(this),
-              withdrawer,
-              tokenId
-          );
+        // If it's a simple exit ( with out metadata coming from L2 to L1 )
+        if(bytes32(logTopicRLPList[0].toUint()) == TRANSFER_EVENT_SIG) {
+
+            address withdrawer = address(logTopicRLPList[1].toUint()); // topic1 is from address
+
+            require(
+                address(logTopicRLPList[2].toUint()) == address(0), // topic2 is to address
+                "MintableERC721Predicate: INVALID_RECEIVER"
+            );
+
+            IMintableERC721 token = IMintableERC721(rootToken);
+
+            uint256 tokenId = logTopicRLPList[3].toUint(); // topic3 is tokenId field
+            if (token.exists(tokenId)) {
+                token.safeTransferFrom(
+                    address(this),
+                    withdrawer,
+                    tokenId
+                );
+            } else {
+                token.mint(withdrawer, tokenId);
+            }
+
+        } else if (bytes32(logTopicRLPList[0].toUint()) == TRANSFER_WITH_METADATA_EVENT_SIG) { 
+            // If this is NFT exit with metadata i.e. URI 👆
+            //
+            // Note: If your token is only minted in L2, you can exit
+            // it with metadata. But if it was minted on L1, it'll be
+            // simply transferred to withdrawer address. And in that case,
+            // it's lot better to exit with `Transfer(address,address,uint256)`
+            // i.e. calling `withdraw` method on L2 contract
+            // event signature proof, which is defined under first `if` clause
+            //
+            // If you've called `withdrawWithMetadata`, you should submit
+            // proof of event signature `TransferWithMetadata(address,address,uint256,bytes)`
+
+            address withdrawer = address(logTopicRLPList[1].toUint()); // topic1 is from address
+
+            require(
+                address(logTopicRLPList[2].toUint()) == address(0), // topic2 is to address
+                "MintableERC721Predicate: INVALID_RECEIVER"
+            );
+
+            IMintableERC721 token = IMintableERC721(rootToken);
+
+            uint256 tokenId = logTopicRLPList[3].toUint(); // topic3 is tokenId field
+            if (token.exists(tokenId)) {
+                token.safeTransferFrom(
+                    address(this),
+                    withdrawer,
+                    tokenId
+                );
+            } else {
+                // Minting with metadata received from L2 i.e. emitted
+                // by event `TransferWithMetadata` during burning
+                token.mint(withdrawer, tokenId, logRLPList[2].toBytes());
+            }
+
         } else {
-          token.mint(withdrawer, tokenId);
+            // Attempting to exit with some event signature from L2, which is
+            // not ( yet ) supported by L1 exit manager
+            revert("MintableERC721Predicate: INVALID_SIGNATURE");
         }
+        
     }
 }
diff --git a/flat/ChildChainManager.sol b/flat/ChildChainManager.sol
index 5e75553a..8ad4de17 100644
--- a/flat/ChildChainManager.sol
+++ b/flat/ChildChainManager.sol
@@ -786,6 +786,7 @@ pragma solidity 0.6.6;
 
 
 
+
 contract ChildChainManager is
     IChildChainManager,
     Initializable,
@@ -855,16 +856,19 @@ contract ChildChainManager is
         }
     }
 
-    function _syncDeposit(bytes memory syncData) private {
-        (address user, address rootToken, bytes memory depositData) = abi
-            .decode(syncData, (address, address, bytes));
-        address childTokenAddress = rootToChildToken[rootToken];
-        require(
-            childTokenAddress != address(0x0),
-            "ChildChainManager: TOKEN_NOT_MAPPED"
-        );
-        IChildToken childTokenContract = IChildToken(childTokenAddress);
-        childTokenContract.deposit(user, depositData);
+    /**
+     * @notice Clean polluted token mapping
+     * @param rootToken address of token on root chain. Since rename token was introduced later stage,
+     * clean method is used to clean pollulated mapping
+     */
+    function cleanMapToken(
+        address rootToken,
+        address childToken
+    ) external override only(MAPPER_ROLE) {
+        rootToChildToken[rootToken] = address(0);
+        childToRootToken[childToken] = address(0);
+
+        emit TokenMapped(rootToken, childToken);
     }
 
     function _mapToken(address rootToken, address childToken) private {
@@ -885,18 +889,15 @@ contract ChildChainManager is
         emit TokenMapped(rootToken, childToken);
     }
 
-    /**
-     * @notice Clean polluted token mapping
-     * @param rootToken address of token on root chain. Since rename token was introduced later stage, 
-     * clean method is used to clean pollulated mapping
-     */
-    function cleanMapToken(
-        address rootToken,
-        address childToken
-    ) external override only(MAPPER_ROLE) {
-        rootToChildToken[rootToken] = address(0);
-        childToRootToken[childToken] = address(0);
-
-        emit TokenMapped(rootToken, childToken);
+    function _syncDeposit(bytes memory syncData) private {
+        (address user, address rootToken, bytes memory depositData) = abi
+            .decode(syncData, (address, address, bytes));
+        address childTokenAddress = rootToChildToken[rootToken];
+        require(
+            childTokenAddress != address(0x0),
+            "ChildChainManager: TOKEN_NOT_MAPPED"
+        );
+        IChildToken childTokenContract = IChildToken(childTokenAddress);
+        childTokenContract.deposit(user, depositData);
     }
 }
diff --git a/flat/ChildChainManagerProxy.sol b/flat/ChildChainManagerProxy.sol
index efd2b5f4..25499fc7 100644
--- a/flat/ChildChainManagerProxy.sol
+++ b/flat/ChildChainManagerProxy.sol
@@ -161,6 +161,7 @@ contract UpgradableProxy is Proxy {
 pragma solidity 0.6.6;
 
 
+
 contract ChildChainManagerProxy is UpgradableProxy {
     constructor(address _proxyTo)
         public
diff --git a/flat/ChildMintableERC721.sol b/flat/ChildMintableERC721.sol
index 80a93710..651d2108 100644
--- a/flat/ChildMintableERC721.sol
+++ b/flat/ChildMintableERC721.sol
@@ -2120,6 +2120,8 @@ contract ChildMintableERC721 is
     bytes32 public constant DEPOSITOR_ROLE = keccak256("DEPOSITOR_ROLE");
     mapping (uint256 => bool) public withdrawnTokens;
 
+    event TransferWithMetadata(address indexed from, address indexed to, uint256 indexed tokenId, bytes metaData);
+
     constructor(
         string memory name_,
         string memory symbol_,
@@ -2174,6 +2176,47 @@ contract ChildMintableERC721 is
         _burn(tokenId);
     }
 
+    /**
+     * @notice called when user wants to withdraw token back to root chain with token URI
+     * @dev Should handle withraw by burning user's token.
+     * Should set `withdrawnTokens` mapping to `true` for the tokenId being withdrawn
+     * This transaction will be verified when exiting on root chain
+     *
+     * Before calling this function, you may want calling `encodeTokenMetadata`
+     * and get metadata to be transferred from L2 to L1 during exit
+     *
+     * @param tokenId tokenId to withdraw
+     */
+    function withdrawWithMetadata(uint256 tokenId) external {
+
+        require(_msgSender() == ownerOf(tokenId), "ChildMintableERC721: INVALID_TOKEN_OWNER");
+        withdrawnTokens[tokenId] = true;
+
+        // Encoding metadata associated with tokenId & emitting event
+        emit TransferWithMetadata(ownerOf(tokenId), address(0), tokenId, this.encodeTokenMetadata(tokenId));
+
+        _burn(tokenId);
+
+    }
+
+    /**
+     * @notice This method is supposed to be called by client when withdrawing token with metadata
+     * and pass return value of this function as second paramter of `withdrawWithMetadata` method
+     *
+     * It can be overridden by clients to encode data in a different form, which needs to
+     * be decoded back by them correctly during exiting
+     *
+     * @param tokenId Token for which URI to be fetched
+     */
+    function encodeTokenMetadata(uint256 tokenId) external view virtual returns (bytes memory) {
+
+        // You're always free to change this default implementation
+        // and pack more data in byte array which can be decoded back
+        // in L1
+        return abi.encode(tokenURI(tokenId));
+
+    }
+
     /**
      * @notice Example function to handle minting tokens on matic chain
      * @dev Minting can be done as per requirement,
diff --git a/flat/DummyMintableERC721.sol b/flat/DummyMintableERC721.sol
index a878275c..36072d26 100644
--- a/flat/DummyMintableERC721.sol
+++ b/flat/DummyMintableERC721.sol
@@ -2079,6 +2079,19 @@ interface IMintableERC721 is IERC721 {
      */
     function mint(address user, uint256 tokenId) external;
 
+    /**
+     * @notice called by predicate contract to mint tokens while withdrawing with metadata from L2
+     * @dev Should be callable only by MintableERC721Predicate
+     * Make sure minting is only done either by this function/ 👆
+     * @param user user address for whom token is being minted
+     * @param tokenId tokenId being minted
+     * @param metaData Associated token metadata, to be decoded & set using `setTokenMetadata`
+     *
+     * Note : If you're interested in taking token metadata from L2 to L1 during exit, you must
+     * implement this method
+     */
+    function mint(address user, uint256 tokenId, bytes calldata metaData) external;
+
     /**
      * @notice check if token already exists, return true if it does exist
      * @dev this check will be used by the predicate to determine if the token needs to be minted or transfered
@@ -2157,6 +2170,36 @@ contract DummyMintableERC721 is
         _mint(user, tokenId);
     }
 
+    /**
+     * If you're attempting to bring metadata associated with token
+     * from L2 to L1, you must implement this method, to be invoked
+     * when minting token back on L1, during exit
+     */
+    function setTokenMetadata(uint256 tokenId, bytes memory data) internal virtual {
+        // This function should decode metadata obtained from L2
+        // and attempt to set it for this `tokenId`
+        //
+        // Following is just a default implementation, feel
+        // free to define your own encoding/ decoding scheme
+        // for L2 -> L1 token metadata transfer
+        string memory uri = abi.decode(data, (string));
+
+        _setTokenURI(tokenId, uri);
+    }
+
+    /**
+     * @dev See {IMintableERC721-mint}.
+     * 
+     * If you're attempting to bring metadata associated with token
+     * from L2 to L1, you must implement this method
+     */
+    function mint(address user, uint256 tokenId, bytes calldata metaData) external override only(PREDICATE_ROLE) {
+        _mint(user, tokenId);
+
+        setTokenMetadata(tokenId, metaData);
+    }
+
+
     /**
      * @dev See {IMintableERC721-exists}.
      */
diff --git a/flat/MintableERC721Predicate.sol b/flat/MintableERC721Predicate.sol
index 1e20004e..4f0ad4f9 100644
--- a/flat/MintableERC721Predicate.sol
+++ b/flat/MintableERC721Predicate.sol
@@ -1117,6 +1117,19 @@ interface IMintableERC721 is IERC721 {
      */
     function mint(address user, uint256 tokenId) external;
 
+    /**
+     * @notice called by predicate contract to mint tokens while withdrawing with metadata from L2
+     * @dev Should be callable only by MintableERC721Predicate
+     * Make sure minting is only done either by this function/ 👆
+     * @param user user address for whom token is being minted
+     * @param tokenId tokenId being minted
+     * @param metaData Associated token metadata, to be decoded & set using `setTokenMetadata`
+     *
+     * Note : If you're interested in taking token metadata from L2 to L1 during exit, you must
+     * implement this method
+     */
+    function mint(address user, uint256 tokenId, bytes calldata metaData) external;
+
     /**
      * @notice check if token already exists, return true if it does exist
      * @dev this check will be used by the predicate to determine if the token needs to be minted or transfered
@@ -1198,6 +1211,8 @@ contract MintableERC721Predicate is ITokenPredicate, AccessControlMixin, Initial
     bytes32 public constant TOKEN_TYPE = 0xd4392723c111fcb98b073fe55873efb447bcd23cd3e49ec9ea2581930cd01ddc;
     // keccak("Transfer(address,address,uint256)")
     bytes32 public constant TRANSFER_EVENT_SIG = 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;
+    // keccak("TransferWithMetadata(address,address,uint256,string)")
+    bytes32 public constant TRANSFER_WITH_METADATA_EVENT_SIG = 0xf3c6803764de9a0fc1c2acb6a71f53407c5e2b9a3e04973e6586da23d64ecaa5;
 
     event LockedMintableERC721(
         address indexed depositor,
@@ -1273,28 +1288,69 @@ contract MintableERC721Predicate is ITokenPredicate, AccessControlMixin, Initial
         RLPReader.RLPItem[] memory logRLPList = log.toRlpItem().toList();
         RLPReader.RLPItem[] memory logTopicRLPList = logRLPList[1].toList(); // topics
 
-        require(
-            bytes32(logTopicRLPList[0].toUint()) == TRANSFER_EVENT_SIG, // topic0 is event sig
-            "MintableERC721Predicate: INVALID_SIGNATURE"
-        );
+        // If it's a simple exit ( with out metadata coming from L2 to L1 )
+        if(bytes32(logTopicRLPList[0].toUint()) == TRANSFER_EVENT_SIG) {
 
-        address withdrawer = address(logTopicRLPList[1].toUint()); // topic1 is from address
+            address withdrawer = address(logTopicRLPList[1].toUint()); // topic1 is from address
 
-        require(
-            address(logTopicRLPList[2].toUint()) == address(0), // topic2 is to address
-            "MintableERC721Predicate: INVALID_RECEIVER"
-        );
+            require(
+                address(logTopicRLPList[2].toUint()) == address(0), // topic2 is to address
+                "MintableERC721Predicate: INVALID_RECEIVER"
+            );
+
+            IMintableERC721 token = IMintableERC721(rootToken);
+
+            uint256 tokenId = logTopicRLPList[3].toUint(); // topic3 is tokenId field
+            if (token.exists(tokenId)) {
+                token.safeTransferFrom(
+                    address(this),
+                    withdrawer,
+                    tokenId
+                );
+            } else {
+                token.mint(withdrawer, tokenId);
+            }
+
+        } else if (bytes32(logTopicRLPList[0].toUint()) == TRANSFER_WITH_METADATA_EVENT_SIG) { 
+            // If this is NFT exit with metadata i.e. URI 👆
+            //
+            // Note: If your token is only minted in L2, you can exit
+            // it with metadata. But if it was minted on L1, it'll be
+            // simply transferred to withdrawer address. And in that case,
+            // it's lot better to exit with `Transfer(address,address,uint256)`
+            // i.e. calling `withdraw` method on L2 contract
+            // event signature proof, which is defined under first `if` clause
+            //
+            // If you've called `withdrawWithMetadata`, you should submit
+            // proof of event signature `TransferWithMetadata(address,address,uint256,bytes)`
+
+            address withdrawer = address(logTopicRLPList[1].toUint()); // topic1 is from address
+
+            require(
+                address(logTopicRLPList[2].toUint()) == address(0), // topic2 is to address
+                "MintableERC721Predicate: INVALID_RECEIVER"
+            );
+
+            IMintableERC721 token = IMintableERC721(rootToken);
+
+            uint256 tokenId = logTopicRLPList[3].toUint(); // topic3 is tokenId field
+            if (token.exists(tokenId)) {
+                token.safeTransferFrom(
+                    address(this),
+                    withdrawer,
+                    tokenId
+                );
+            } else {
+                // Minting with metadata received from L2 i.e. emitted
+                // by event `TransferWithMetadata` during burning
+                token.mint(withdrawer, tokenId, logRLPList[2].toBytes());
+            }
 
-        IMintableERC721 token = IMintableERC721(rootToken);
-        uint256 tokenId = logTopicRLPList[3].toUint(); // topic3 is tokenId field
-        if (token.exists(tokenId)) {
-          token.safeTransferFrom(
-              address(this),
-              withdrawer,
-              tokenId
-          );
         } else {
-          token.mint(withdrawer, tokenId);
+            // Attempting to exit with some event signature from L2, which is
+            // not ( yet ) supported by L1 exit manager
+            revert("MintableERC721Predicate: INVALID_SIGNATURE");
         }
+        
     }
 }
diff --git a/test/helpers/constants.js b/test/helpers/constants.js
index 7f9f2ae7..206468c2 100644
--- a/test/helpers/constants.js
+++ b/test/helpers/constants.js
@@ -17,6 +17,7 @@ export const etherAddress = '0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE'
 
 export const erc20TransferEventSig = '0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef'
 export const erc721TransferEventSig = '0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef'
+export const erc721TransferWithMetadataEventSig = '0xf3c6803764de9a0fc1c2acb6a71f53407c5e2b9a3e04973e6586da23d64ecaa5'
 export const erc1155TransferSingleEventSig = '0xc3d58168c5ae7397731d063d5bbf3d657854427343f4c083240f7aacaa2d0f62'
 export const erc1155TransferBatchEventSig = '0x4a39dc06d4c0dbc64b70af90fd698a233a518aa5d07e595d983b8c0526c8f7fb'
 
diff --git a/test/helpers/logs.js b/test/helpers/logs.js
index badf6684..466a77fe 100644
--- a/test/helpers/logs.js
+++ b/test/helpers/logs.js
@@ -1,10 +1,10 @@
 import { RLP } from 'ethers/utils'
 import { AbiCoder } from 'ethers/utils'
 
-
 import {
   erc20TransferEventSig,
   erc721TransferEventSig,
+  erc721TransferWithMetadataEventSig,
   erc1155TransferSingleEventSig,
   erc1155TransferBatchEventSig
 } from './constants'
@@ -45,6 +45,25 @@ export const getERC721TransferLog = ({
   ])
 }
 
+export const getERC721TransferWithMetadataLog = ({
+  overrideSig,
+  from,
+  to,
+  tokenId,
+  metaData
+}) => {
+  return RLP.encode([
+    '0x0',
+    [
+      overrideSig ||   erc721TransferWithMetadataEventSig,
+      from,
+      to,
+      '0x' + tokenId.toString(16)
+    ],
+    abi.encode(['string'], [metaData]) // ABI encoded metadata, because that's how dummy root token expects it
+  ])
+}
+
 export const getERC1155TransferSingleLog = ({
   overrideSig,
   operator,
diff --git a/test/predicates/MintableERC721Predicate.test.js b/test/predicates/MintableERC721Predicate.test.js
index ffde75d7..a9266fd6 100644
--- a/test/predicates/MintableERC721Predicate.test.js
+++ b/test/predicates/MintableERC721Predicate.test.js
@@ -8,7 +8,7 @@ import { expectRevert } from '@openzeppelin/test-helpers'
 import * as deployer from '../helpers/deployer'
 import { mockValues } from '../helpers/constants'
 import logDecoder from '../helpers/log-decoder.js'
-import { getERC721TransferLog } from '../helpers/logs'
+import { getERC721TransferLog, getERC721TransferWithMetadataLog } from '../helpers/logs'
 
 // Enable and inject BN dependency
 chai
@@ -258,6 +258,38 @@ contract('MintableERC721Predicate', (accounts) => {
     })
   })
 
+  describe('exitTokens with `TransferWithMetadata` event signature', () => {
+    const tokenId = mockValues.numbers[5]
+    const withdrawer = mockValues.addresses[8]
+    let dummyMintableERC721
+    let mintableERC721Predicate
+
+    before(async() => {
+      const contracts = await deployer.deployFreshRootContracts(accounts)
+      dummyMintableERC721 = contracts.dummyMintableERC721
+      mintableERC721Predicate = contracts.mintableERC721Predicate
+      const PREDICATE_ROLE = await dummyMintableERC721.PREDICATE_ROLE()
+      await dummyMintableERC721.grantRole(PREDICATE_ROLE, mintableERC721Predicate.address)
+    })
+
+    it('Transaction should go through', async() => {
+      const burnLog = getERC721TransferWithMetadataLog({
+        from: withdrawer,
+        to: mockValues.zeroAddress,
+        tokenId,
+        metaData: 'https://nft.matic.network'
+      })
+      let exitTx = await mintableERC721Predicate.exitTokens(withdrawer, dummyMintableERC721.address, burnLog)
+      should.exist(exitTx)
+    })
+
+    it('Token should be transfered to withdrawer', async() => {
+      const owner = await dummyMintableERC721.ownerOf(tokenId)
+      owner.should.equal(withdrawer)
+    })
+
+  })
+
   describe('exitTokens with incorrect burn transaction signature', () => {
     const tokenId = mockValues.numbers[5]
     const withdrawer = mockValues.addresses[8]