You can recover password if you have registered your Email ID with department online.
Please follow the process
Simply click on Forget Password -> fill your tin as user ID click on next,
New page will be open with Dealer's Detail like name, tin & registered email id
if the registered email id is your's email id then click on Button named Send password on Registered email ID.
You will get new password within few seconds
Login with system generated password & change on first login
deepak_8583 @ yahoo.com