Hello Himadri

As you are from west bengal abd you want aiims delhi seat , you may face some challenges.

Generally for medical admissions state quota are reserved for candidates who are domicile of that particular state or have studied in that state.

You will be eligible for west bengal state quota.

You may proceed with following steps

1. Check up state quota Ability - you must fulfill all necessary requirements for state quota.

2.Obtain validity certificate - state authorities,  in some cases may ask you to present a validity certificate to avail benefits of reservations in Delhi. This certificate will verify the authencity and validity of your sc caste certificate issued by other state.

3. You may seek legal advices claiming state quota