As u are sc candidate you have a chance to get mbbs seat in this marks

kindly feed in the details in this link and thus look for your rank 

although with this marks since you have the reservation privellage, you have 60% chance to get seats in governemnt college as well as 15% all india quota seat in private as well.

all the best

According your score the chances are less to get a seat under 15% quota seats but you can have the chances for 85% quota seats. You can also refer Tamilnadu cutoff article with the given below link.

https://medicine.careers360.com/articles/neet-cutoff-tamil-nadu

Good Luck!