Hi KiranKumar20,
Dear member of SanDisk Community, welcome.
Please do not grieve friend.
To narrow down the issue, try the pendrive in other computers.
If still giving “write protection”, is that he died, ist kaputt…
Can return it, check the warranty, and see: http://www.sandisk.com/about-sandisk/contact-us/
If you are interested in the topic, look at the following article:
http://forums.sandisk.com/t5/All-SanDisk-USB-Flash-Drives/HELP-how-do-i-reomove-write-protected-mess…
Luck.
Regards, Alfred. (Google translated)
