Hii
For getting admission in medical College you need to carry following documents-
1) neet admit card
2) neet rank letter
3) date of birth proof
4) class 10th pass certificate
5) class 12th pass certificate
6) class 12 the marksheet
7) 8 passport size photos,it should be same as the one used in application
8) provisional allotment letter
9)  proof of identity
10)  reserved candidate should carry proof of the same ,issued by autbority
I hope this information helps you.
Thank you

First of all, Congratulations for getting admission into MBBS. It's a big achievement in your career.
Now the list of documents that are required at the time of admission are
Hope it helps.
Thanks
Your call letter
Your NEET marksheet
NEET admit card
10th class marksheet+certificate
12th marsksheet+certificate
Transfer certificate
Migration certificate
Character certificate
Domicile certificate (in case of state counseling)
Income certificate of your parents.
Gap- year affidavit ( in case if you have taken a drop after 12th)
Your original ID
Bonds ( differ according to states)
Passport size photographs- Minimum 30
One Post Card size photograph.