Hi there. 

It is tough to predict the future exact cut offs due to various simple reasons. But, looking at the previous years cut off might give you some insight on the topic.

To obtain the required information kindly refer to the following link which will provide you with all details of cut off and ranks of different categories for securing admissions in medical colleges of Tamil Nadu: 

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

Wishing you luck!

Hello,
It is difficult to predict the marks required as the cutoff vary every year depending on various factors like the difficulty level of the exam, number of candidates appearing in the exam, etc. cutoff vary from college to college.
However, if you wish to take admission in any particular medical college then kindly mention the college name so I can provide you the cutoff details of that particular college.
Good Luck!