dear soumya,

first of all let me bring it to your notice that there are many colleges and universities in Vellore that offer the course BSc agriculture, like the ones being 

Thiruvalluvar university, vellore with fees Rs. 9.07K per year

Adhiparashakti agricultural college

for VIT, kindly refer to 

https://university.careers360.com/node/2559/course/212964

and their official site.