diff --git a/C-lang.txt b/C-lang.txt
new file mode 100644
index 0000000..fbe8de7
--- /dev/null
+++ b/C-lang.txt
@@ -0,0 +1,11 @@
+//swapping two variables
+#include<stdio.h>
+int main(){
+	double a ,b;
+	printf("Enter numbers to be interchanged=");
+	scanf("%lf %lf", &a, &b);
+	a=a+b;
+	b=a-b;
+	a=a-b;
+	printf("\nAfter swapping the numbers, \n the first number is=%lf \n the second number is=%lf", a,b); 
+	return 0;}
diff --git a/taranpreet.md b/taranpreet.md
new file mode 100644
index 0000000..0631efa
--- /dev/null
+++ b/taranpreet.md
@@ -0,0 +1,3 @@
+Creating a new pull request for Hacktoberfest 2020.
+
+github: https://github.com/thetarandhiman