Hey, Naveen_12.
Sorry to hear about the issues you're having with your drive.
First, you should backup any important data which you might have on the HDD, just to be on the safe side. After that I'd recommend that you try the drive with a different USB cables and the laptop you've been experiencing problems with, to see if anything changes. After that you could download DLG (Data Lifeguard) and run both tests (Quick and Extended), to see if anything out of the ordinary pops-up. Here's how to do it:
How to test a drive for problems using Data Lifeguard Diagnostics for Windows.
You could also try updating or reinstalling the Universal Serial Bus (USB) controller's driver, to see if that fixes things up. You should also try...