To change the address on your ration card online visit the official PDS for India portal. Click on the 'State Government Portals' tab at the top left of the home page. Select your state from the provided list redirecting you to your state's specific page. Look for the link that directs you to the ration card address change form or a similar option as this may vary by state. Log in using your login ID and password then accurately fill out the correction form with your new address details. Submit the form and ensure you keep a copy for future reference.