Hello ;

These are the colleges of India Providing DNB in Obstetrics and Gynecology ;

• Edappal Hospitals Pvt Ltd - Malappuram - Kerala.
• Sri RAMAKRISHNA HOSPITAL,COIMBATORE.
• Jubilee Mission Medical College & Research Institute, THRISSUR.
• St Isabel Hospital in Chennai.
• Northern Railway Central Hospital, New Delhi.
• Army Hospital (R & R), Delhi Cantt.
• BHEL Kasturba Hospital, BHOPAL.
• St Martha's Hospital, Bangalore.

Hope this Helped !

Best of Luck!