Vaccination portal or it is a function provides information on the user using it will all the information about the user.

After that based on the Database it checks

1 - If the first dose is completed it will display "Fist dose is Completed"

If Not - That respond will be "Take your first dose as soon as possible "

2 - Second it check if the second dose is completed or not

If Yes - It will return " Your are fully vaccinated "

If Not - Then It will return the date on which the second dose should be taken by taking the first dose's date as a starting point and adding 90 Days as by the critarias suggested that the gap between dose should be of 90 Days