Visit the official CoWIN portal: https://www.cowin.gov.in
Click on the “Register / Sign In” option
Enter your Aadhaar-linked mobile number
Enter the OTP received on your mobile
Log in to your CoWIN account
Go to the “Certificates” section
Select the vaccinated beneficiary name
Click on “Download Certificate”
Save the COVID vaccination certificate as a PDF
If needed, download the certificate from the Aarogya Setu app or DigiLocker using the same Aadhaar-linked mobile number