Hello Dharmesh..Ofcource you can apply. Minimum Eligibility to appear in B.Sc Aggriculture course is 10+2 or intermediate with minimum 55% marks( vary from Institute to Institute) in Physics, Chemistry and Mathematics or Biology.

In most of the College's selection is done on the basis of entrance exam.

Some entrance exam conducted for B.Sc Aggriculture are as ahead-

ICAR ( Indian Council Of Agricultural Research)

EAMCET- conducted for  admission in Andhra Pradesh.

PAU - conducted by Punjab Agriculture University.

KEAM- conducted for admission in Agriiculture Colleges/universities in Kerela

IGKV- CET- Conducted by Indra Gandhi Krishi Vishwavidyalaya

As you are from Tamil Nadu , Tamil Agriculture University is best for you. TNAU is one of the top most Agriculture University in India. If you are interested you can apply  online or offline from May 18 to August 31,2019. You must be 10+2 with minimum 60% marks.

All the best.

Good Luck