Try these steps:
plz, visit this link. It may be helpful.
& scan with Panda Cloud Antivirus regularly(once a week)
Active Partition Recovery is a good software for recovery, however keep in mind whatever method you try for recovery, all processes are risky a bit, the data loss may still incur.
It may be downloaded from following link, but i couldnt check its properly cracked or not. You may download better version from some torrent site.
Follow the below 3 links. if your drive is not show in my computer but show in disk management. but if you have lost data then you should use data recovery software.
Have recovered.. Thanks Allah Almighty..
Thanks to all of you for your suggestion.