What if I have not received the activation link and codes or if I have inadvertently deleted the mail / SMS?

If the 24 hours deadline to activate account has not passed, you can enter your PAN details in Step-1 of tax payer registration form and submit. If it is verified that you have registered but not activated your account and if the 24 hours has not passed, system will display an alert asking if you want the activation link and codes to be re-sent. Click 'Ok' and the activation link and codes will be resent to your email id and mobile number.