Sandisk USB 3.0 write protected solution

How to solve the issue of your Pen drive becoming write protected? Our experts help you address the concern.

My USB Pendrive Sandisk USB 3.0 has became write protected hence I'm unable to perform any read or write operation on the pendrive. I want to know that how to solve that issue with the pendrive. The pendrive is still new as I had purchased that one months or two month earlier.
Suggest the best and sure method to solve that issue.