I'll enlist down the top MRS degree colleges in India -

1. BRS college, Dumiyani
2. Yashwantrao Chavan School
3. Lokniketan Ratanpur
4. Lokseva MahaVidyalaya, Bhavnagar

https://university.careers360.com/colleges/list-of-mrs-degree-colleges-in-india

The top GNM colleges -

1. GNM college Gwalior
2. Gautam college, Hamirpur
3. Stephens College of Nursing, Bangalore
4. Johns colleges of nursing DELHI
5. Nightiangle Institutr of Nursing, NOIDA

https://university.careers360.com/colleges/list-of-diploma-in-general-nursing-and-midwifery-degree-colleges-in-india

Best wishes. Thank you