TDS E FILLING PASSWORD RESET IN E-FILING PORTAL

First you have to check the user ID. Because TAN is not your user ID. So first select forget user ID. If you are already a registered user it will ask for verification details or else it will show a message you are not a registered user. In that case you have register yourself as a new user providing the relevant and mandatory details.
If you want to register as a new user at least one ereturns must have filed