Right now, you can't modify your details once you've set up for authentication for security reasons, but if you have an issue and you need an immediate update of your profile, you can contact our support team and we're always ready to serve you.
If you have not verified PAN or a bank account, you cannot withdraw your winning amount. You can join contests and your winning amount will be deposited in your wallet. Later when your documents are verified you can withdraw your money.
Please change your password immediately! Now, go to My Profile>>My Info & Settings>>Change Password and add your new password. This will end your session of all logged-in devices.
Log back in with the new password. If you still have an issue, contact our support team and we will help you out.