Greetings aspirant!

Yes, it is possible. According to the eligibility criteria prescribed for its entrance exam. Aspirants who wish to apply for PG courses must have completed 19 years of age, Indian nationality, General category candidates should have secured at least 60% marks in graduation (in related subject) from a University recognised by UGC.  SC/ST/PwD categories should have scored a minimum of 50% marks at graduation level.

For pursuing Bsc agriculture one must have a bachelors degree from a college approved by UGC. Please go through the link below to know about eligibility in detail.

https://university.careers360.com/articles/icar-aieea

Hope it helps.
Thankyou!