Use the CoWIN portal: https://www.cowin.gov.in
Open the CoWIN app or website
Click on Register / Sign In
Enter your mobile number
Verify with the OTP sent to your phone
Add your name, age, gender, and photo ID details
Search for vaccination centers in Kerala
Choose a center, date, and available slot
Confirm the appointment
Save or download the appointment slip
Carry your registered photo ID to the vaccination center
You can also register through the Aarogya Setu app
You can also register through the UMANG app
Walk-in registration may be available at some centers based on slot availability