To update your Passport number in your vaccination certificate please do the following

  1. Please go to the Cowin website
  2. Login using the registered mobile number
  3. Select Raise a Issue
  4. Under Raise a issue … select the passport option
  5. Select the person from the drop down menu
  6. Enter passport number
  7. Submit
  8. You will receive the new certificate in seconds.
  9. This would facilitate travel across borders when permitted.