Here is the list of Companies which generally hire BSc Agriculture Graduates in India

Indian Agricultural Research Institute
National Seeds Corporation Limited
North Eastern Region Agricultural Marketing Corporation
State Farms Corporation of India
Agriculture Insurance Company of India
Godrej Agrovet
Jain Irrigation Systems
Madhya Pradesh Agriculture Corporation
National Agricultural Cooperative Marketing Federation of India
Nuziveedu Seeds
StarAgri Warehousing and Collateral Management Limited
TAFE - Tractors and Farm Equipment Limited
V H Group