Hello,
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You haven't mentioned from which state you want colleges.
By the way here is the list of top colleges in all over India.
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Indian institute of management, Allahabad

Institute of management studies

Doon business school

Indian institute of management, Lucknow

Chandigarh University

Sam Higginbotham institute of agricultural technology and science

Symbiosis institute of international business

National institute of agricultural

Sharda university

Integral university

Aligarh Muslim university

Utkal University

Banaras Hindu university

Vivekananda global university

Amity university

These are the best colleges I have found in all over India.
There are many other colleges ranked top.If you aren't good with this you can go that.
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Visit our website careers360 it will provide you clear cut information with states.
Here is the link I'm even providing for you to make it easy.
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https://bschool.careers360.com/colleges/list-of-agriculture-business-management-colleges-in-india

Hope this was beneficial for you
Thank you