25 June 2013
If you are unable to reset the password with secret question and other options provided in forgot password link..you can rest password with below procedure
Please send a mail to validate@incometaxindia.gov.in with the following details
1)PAN
2)PAN HOLDER NAME
3)DATE OF BIRTH / DATE OF INCORPORATION
4)FATHER NAME
5)REGISTERED PAN ADDRESS
with in 4 or 5 working hours you will get a response mail making your PAN number as your default password.