Hello Awadhesh Kumar Singh!

The following documents are necessary

1. Call Letter/ Hall Ticket/ Admit Cards of NEET-UG 2017 exam provided by CBSE.
2. Result/ Rank letter issued by CBSE.
3. Date of Birth Certificate (if Metric Certificate does not bear the same)
4. Class 10th Certificate (for date of birth)
5. Class 10+2 Certificate
6. Class 10+2 Marks Sheet
7. Eight (8) Passport size photograph same as affixed on the application form.
8. Provisional allotment letter generated on-line.

9.Proof of identity.

Hope this will help you!

All the best for your future!

Thank you!