Welcome to iPhoneForums, Sarker!
The other identical thread you started on the same topic has been removed. Besides fragmenting the conversation and making it hard to follow, duplicate posts and threads are against our rules.
Please keep any discussion of your problem to this thread.
To receive more accurate help, it would be better to provide more information.
Since when is this happening, which iDevice is it supposed to work with, iOS installed, e.g.