Hello Aspirant, Some of the good Agriculture M.SC College in India where every state students can apply are

Indian Agricultural Research Institute, Delhi NCR

Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu

Chandigarh University, Chandigarh

Archarya NG Rango Agricultural University, Duntur, Andra Pradesh

Punjab Agricultural University, Ludhiyana

Indian Veterinary Research Institute, Bareilly, Uttar Pradesh

National Dairy Research Institute, Karnal Haryana

University of Calcutta