As you want to get the details of career after M.Sc Agriculture so hre is the information of the same for you:

Employment opportunities in private sector firms:
Job types available for these postgraduates in private sector are

Agriculture Officer
Territory Manager
Trial Co-coordinator
Technical Manager
Assistant Plantation Manager

These postgraduates can pursue their career as Production Officer or Quality Control Executive in companies like

GlaxoSmithKline Consumer Healthcare
Cavin Kare
Dabur Foods
ITC Limited
Hatsun Agro Products
Hindustan Unilever Limited

Government Sector Jobs after M.Sc in Agriculture:
Many government sector agricultural organizations are offering lucrative job opportunities for the candidates who have completed M.Sc degree in Agriculture. Some of those organizations are given below.

Indian Agricultural Research Institute
National Seeds Corporation Limited
North Eastern Region Agricultural Marketing Corporation
State Farms Corporation of India