Going by previous year cutoff and your rank, Chances seem to be less of getting a seat in dermatology course. But you can expect other clinical branches in dnb such as Paediatrics, Obstetrics and Gynaecology, general medicine, nuclear medicine, ENT, Pathology, Ophthal, Anaesthesia etc.

You can use the NEET PG College Predictor tool to check your admission chances in colleges and the medical specialties which you can get.