You haven't mentioned your Category. This answer is  being written assuming that you belong to General Category. Going by previous years cut offs and your rank, you have decent chances in specialisations like:

General Medicine

Forensic Medicine

Pharmacology

Bio Chemistry

Opthamology

Physiology

Psychiatry.

Apart from these, if you are only looking for DNB courses, you can try in KMC, Manipal.

Now 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:  https://medicine.careers360.com/neet-pg-all-india-college-predictor

Hello dear,

According to your rank,your chance of getting seat in dnb is less but you will try counseling though the link below

Hope it helps you