Hi, you have 3 options
1)Answer Secret Question
2)Upload Digital Signature Certificate
3)Enter e-filed acknowledgement number and Bank Account Number.
Method 1: Answer Secret Question- In case you opt for this option, you would be required to mention your Date of Birth (Date of Incorporation in case of Companies) and the answer to the secret question which had furnished at the time of creation of your account on the income tax website.
Method 2: Upload Digital Signature Certificate- If you have previous registered your digital signature on the income tax website, you can also reset your password by simple uploading your digital signature.
Method 3: Enter efiling acknowledgement number & Bank Account Number- You can also recover your password by submitting the acknowledgement number of any income tax return filed previously and your bank account number. The acknowledgement number would be mentioned in all income tax returns. You can furnish the acknowledgement number of any income tax return filed previously.
In case you don’t have your income tax return, you can easily download it from your mailbox as well. Income Tax Deptt always sends a copy of the ITR-V to your mailbox.
After completing the details required in any of the above 3 manners, a new link would open up requiring you to create a new password. You can now login to your account using the newly created password.
thanks