Hii!
There are a number of good Colleges approved by ICAR providing Agriculture course. Here, I mention some colleges with comparatively low fees structure.
* GBPU, Pantnagar, Uttarakhand
* Birsa agricultural university, Ranchi, jharkhand
* MPKV, Pune, Maharashtra
* Aacharya NG Ranga agricultural university, Guntur, Andra Pradesh
* TNAU, Coimbatore, Tamilnadu
Etc.,
Hope this helps.
Good luck!