Add or Remove Members Smart Card Online : The government of Tamil Nadu started replaced old ration card with a smart card system. The old ration cards are automatically converted to smart cards by the Tamil Nadu government. Existence ration cards will receive a PIN to their mobile number and it can be collected from a nearby distribution center by showing the old ration card or SMS.Here is the procedure to how to add/remove members in Smart Card-Ration card in TNDPS website. Add or remove members to Smartcard using TNPDS: Visit the official TNPDS website tnpds.gov.in In the right side