Hii Priyadarshini!

According to ncbi there are overall 55 seats are available for dm courses in about 22 department each year excluding autonomous all india institute of medical sciences. DM endocrinology is a super- speciality Post Doctrate course in field of medicine and one of the most prestigious. You will get the full details regarding your question in the link given below -

https://medicine.careers360.com/colleges/list-of-dm-in-endocrinology-colleges-in-india

Hope this helps.

Good luck!