Dear student, in 2018, 299 marks secured a seat in Chengalpattu Medical College for Sc Category students under the state quota in Tamil Nadu. With 332 marks in NEET UG 2019, you have fair chances to get a seat here.

You can also bag a seat in some of the Other medical colleges. You can check their cutoffs at:

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