Hello Sandhiya,

There is not any such particular exam for the BSc in Agriculture in Tamil Nadu State,

But you can easily apply to anyone college

And for the further details, if you have any query you can even visit our website, where there is a detailed description which would be quite helpful for you

https://www.careers360.com/news/4041-BSc-In-Agricuture-Agricultural-unversities.

Tamil Nadu Agriculture University (TNAU) ia an agricultural university which offers UG, PG and Research courses in its educational module to candidates who satisfy the required eligibility criteria. 

All the best for ur future!!