MBA in agri business is one of the field in which you can do MBA.There are lots of top business school is running this course..

1-IIM ahmedabad-22 lac approx 

2-IIM lucknow-14 lac 

3-SIIB- Pune(For which You have to Give SNAP)-14 lac 

4-L.N welingkar mumbai-11 lac

5-MIT-Pune-7 lac

6-NTPC school.of Business-25-30 lac

The fees are for Full course..& This are some of the top B school.in MBA agri business