No, income certificate is not required. The follwing are required:

1. Admit cards of Exam issued by CBSE.

2. Result/Rank letter issued by CBSE.

3. Date of Birth Certificate (if Matric Certificate does not have same date)

4. Matric Certificate

5. 10+2 Certificate

6. 10+2 Marks Sheet

7. 6 Passport size photos same as affixed on the application form.

8. Provisional allotment letter generated on-line

9. Proof of identity.

10. 10 Passed Certificate

11. Mark sheet of Class 10

12. Gap certificate

13. Aadhar card copy

14. Domicile certificate if you want to avail the state quota NEET mark sheet.

Hope this will suffice.