Hii ,

No, NEET candidates are not required to submit gap year certificates , neither at the time of All India Quota (AIQ) counselling or State Quota counselling

Only documents like -

• class 10,12 marksheet
• passing certificate,
• neet rank card,
• provisional allotment letter,
• id proof,
• neet admit card,
• birth certificate,
• passport size photographs are required during document verification.

To get the complete list of top colleges you have chances to get admission you can use the below college predictor tool

https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer

To open Copy and paste the link in the new tab

It gives you a detailed analysis of the Top college you can apply for which helps you to make correct choise  and decision while during the counseling.

You can also check cutoff predictor tool from the below link

https://medicine.careers360.com/articles/neet-cut-off

Hope this will help you,

All the very best !!