Hello there, hope you are doing good!

For Btech in Agriculture the eligibility criteria is 10+2 Science stream with Physics, Chemistry, Maths/Biology. Many universities conduct entrance exams for Btech Agriculture. Some colleges accept BI.PC Students and some don't , it depends on various colleges. If you let me know which college you are aiming for I will be able to help you further.

Hope you found this answer helpful.

Good luck for your future!