CoWIN portal--the digital platform that helped it launch and implement a nationwide vaccination programme. Users can check their vaccination certificate validity through smartphones. Step 1: Go to CoWIN portal--cowin.gov.in and locate the 'platform' option at the top right Step 2: Select 'Verify certificates' Step 3: Now an option will appear saying 'Scan QR'.
Users must note that the platform will require camera permission to function. Step 4: The button will activate your camera and allow you to scan the QR code given on the bottom right corner of your certificate. Step 5: If your certificate is authentic then the CoWIN app will say 'Certificate Successfully Verified'.