Lost my income tax site password

Change your password at income tax website with the help of previous E-Filing Acknowledgement number. (Options available from AY 2007-08 to AY 2011-12)

To reset the password, click on the forget password link from the login page. In the password reset page, enter either of the following data :
Enter your secret question and answer which you entered during registration 
(OR)
Enter the assessment-year and acknowledgement number of any of the e-returns filed by you since assessment year 2007-08.
Then enter the new password twice and then the text from the image below. Click on Reset Password to reset the password of your user.

You can make a new one by giving your last acknowledgement number.

If nothing of above works, then you can email your,

Name, PAN, Address, Date of birth to ask @ incometaxindia.gov.in and give a call on this phone no. 01242438000 and ask them to reset your password by giving them your PAN. The above contact no. is of ASK i.e., Aaykar Sampark Kendra.