Hello sindu

For your reference to know what has been the score in previous years for the courses in various colleges to get a better idea of cutoff.
You can check it here:

https://www.google.co.in/amp/s/medicine.careers360.com/articles/neet-cutoff-tamil-nadu%3famp

You can get a basic idea for all categories and under 15 and 85 percent quota system.

Your MBBS/BDS Chances in All India Quota, Deemed Universities & State Quota seat Based on Your NEET AIR
   https://medicine.careers360.com/neet-ug-college-predictor?icn=neet-clgpd&ici=qna-answer 

Goodluck I hope this helps you