Going by previous All India cut offs and your rank, you may decent chances in:

Sree Balaji Medical College: Paediatrics

Vinayaka Missions Medical College: Anaesthesiology

Sree Balaji Medical College: Opthamology

Having said that, this is 2019 data and cut offs change every year depending on various factors such as no.of Candidates appearing for the exam, no.of Candidates qualified, difficulty of the exam, and no.of seats available for each specialisation. Please try our College predictor to check the possibility of other specialisations with you rank across India:  https://medicine.careers360.com/neet-pg-all-india-college-predictor