diff --git a/src/snowflake/snowpark/modin/pandas/__init__.py b/src/snowflake/snowpark/modin/pandas/__init__.py
index 497dea43697..d1c31c48ef1 100644
--- a/src/snowflake/snowpark/modin/pandas/__init__.py
+++ b/src/snowflake/snowpark/modin/pandas/__init__.py
@@ -183,8 +183,11 @@
 
 # dt and str accessors raise AttributeErrors that get caught by Modin __getitem__. Whitelist
 # them in _ATTRS_NO_LOOKUP here to avoid this.
+# In upstream Modin, we should change __getitem__ to perform a direct getitem call rather than
+# calling self.index[].
 modin.pandas.base._ATTRS_NO_LOOKUP.add("dt")
 modin.pandas.base._ATTRS_NO_LOOKUP.add("str")
+modin.pandas.base._ATTRS_NO_LOOKUP.add("columns")
 modin.pandas.base._ATTRS_NO_LOOKUP.update(_ATTRS_NO_LOOKUP)
 
 
diff --git a/src/snowflake/snowpark/modin/plugin/extensions/index.py b/src/snowflake/snowpark/modin/plugin/extensions/index.py
index 2682fd2b985..df1c1fa9e7e 100644
--- a/src/snowflake/snowpark/modin/plugin/extensions/index.py
+++ b/src/snowflake/snowpark/modin/plugin/extensions/index.py
@@ -262,7 +262,7 @@ def __getattr__(self, key: str) -> Any:
     def _binary_ops(self, method: str, other: Any) -> Index:
         if isinstance(other, Index):
             other = other.to_series().reset_index(drop=True)
-        series = self.to_series().reset_index(drop=True).__getattr__(method)(other)
+        series = getattr(self.to_series().reset_index(drop=True), method)(other)
         qc = series._query_compiler
         qc = qc.set_index_from_columns(qc.columns, include_index=False)
         # Use base constructor to ensure that the correct type is returned.
@@ -272,7 +272,7 @@ def _binary_ops(self, method: str, other: Any) -> Index:
 
     def _unary_ops(self, method: str) -> Index:
         return self.__constructor__(
-            self.to_series().reset_index(drop=True).__getattr__(method)()
+            getattr(self.to_series().reset_index(drop=True), method)()
         )
 
     def __add__(self, other: Any) -> Index:
diff --git a/src/snowflake/snowpark/modin/plugin/extensions/series_overrides.py b/src/snowflake/snowpark/modin/plugin/extensions/series_overrides.py
index abe3b19d0df..97e1b1383b9 100644
--- a/src/snowflake/snowpark/modin/plugin/extensions/series_overrides.py
+++ b/src/snowflake/snowpark/modin/plugin/extensions/series_overrides.py
@@ -908,6 +908,27 @@ def argmin(self, axis=None, skipna=True, *args, **kwargs):  # noqa: PR01, RT01,
     return result
 
 
+# Modin uses the same implementation as Snowpark pandas starting form 0.31.0.
+# Until then, upstream Modin does not convert arguments in the caselist into query compilers.
+@register_series_accessor("case_when")
+@snowpark_pandas_telemetry_method_decorator
+def case_when(self, caselist) -> Series:  # noqa: PR01, RT01, D200
+    """
+    Replace values where the conditions are True.
+    """
+    modin_type = type(self)
+    caselist = [
+        tuple(
+            data._query_compiler if isinstance(data, modin_type) else data
+            for data in case_tuple
+        )
+        for case_tuple in caselist
+    ]
+    return self.__constructor__(
+        query_compiler=self._query_compiler.case_when(caselist=caselist)
+    )
+
+
 # Snowpark pandas does not respect `ignore_index`, and upstream Modin does not respect `how`.
 @register_series_accessor("dropna")
 @snowpark_pandas_telemetry_method_decorator
diff --git a/src/snowflake/snowpark/modin/plugin/utils/numpy_to_pandas.py b/src/snowflake/snowpark/modin/plugin/utils/numpy_to_pandas.py
index f673bf157bf..7740d9cd2f9 100644
--- a/src/snowflake/snowpark/modin/plugin/utils/numpy_to_pandas.py
+++ b/src/snowflake/snowpark/modin/plugin/utils/numpy_to_pandas.py
@@ -3,9 +3,9 @@
 #
 from typing import Any, Optional, Union
 
+import modin.pandas as pd
 from modin.pandas.base import BasePandasDataset
 
-import snowflake.snowpark.modin.pandas as pd
 from snowflake.snowpark.modin.pandas.utils import is_scalar
 from snowflake.snowpark.modin.plugin.utils.warning_message import WarningMessage