After MBBS, students can pursue MD, MS and PG Diplo- ma courses across a multitude of specializations.
MS which is the postgraduate degree in General Surgery and MD, which is the postgraduate degree in General Medicine. In MD, the specializations include Obstetrics & Gynaecology, Orthopaedics, Neurology and Anaesthesiology, Cardiology, Endocrinology, Radio Diagnosis and Pathology among other subjects while MS specializations include Paediatric Surgery, Plastic Surgery, Cardio-thoracic Surgery, Urology, Cardiac Surgery, Cosmetic Surgery, ENT, Ophthalmology, Gynaecology, Obstetrics and Orthopaedics. Basically, MD holders can practise as physicians while MS holders can practise as surgeons. Diploma courses, which last for two years, include specializations like Anaesthesia, Community Medicine, Sports Medicine, Forensic Medicine and Child Health among others.The candidates can apply for the MD, MS and Diploma courses through NEET PG.

You can check NEET PG participating colleges with the given below link.

https://medicine.careers360.com/colleges/list-of-medical-colleges-in-india-accepting-neet-pg

In case you have any other query then Let me know.

Good Luck!