Hey

The cut off marks varies every year due to the no of applicants, difficulty level of question paper etc.The expected cutoff for 2020 will be almost similar or it can be predicted from the 2019 data.The cut off marks for 2019 was as follows-

Government Quota

Category

• Open-460
• OBC-450
• SC-330
• ST-256

Management Quota-403

You haven't mentioned your category details.You can have a overall idea about the colleges in tamilnadu and their cut off from given link

https://www.google.com/amp/s/medicine.careers360.com/articles/neet-cutoff-tamil-nadu/amp

You can also use the college predictor with your details from following link-

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

All the best!