Hello Ghulam Rasool: I see this is your first post here on PC. Welcome to Psych Central.

Here's a link to an article, from Psych Central's archives, on the subject of ending a friendship. Perhaps there will be some information in it that will be of some help:

Breaking Up with a Friend: How to End a Friendship That's No Longer Healthy or Fulfilling

I hope you find PC to be of benefit.