Visit the Tamil Nadu Public Distribution System website: https://tnpds.gov.in
Click on the “Smart Card Application” or “Apply for New Smart Card” option
Select the appropriate application type
Fill in the required details in the online form
Upload the necessary documents
Submit the application online
Note the application reference number
Track the application status on the same website
Wait for verification by the local ration office
Collect the ration card after approval, if required