Hi Aspirant

Bannari Amman Institute of Technology is one the good college . Acorrding to career360 it is one of the AAA+ rating college . It provides lots of courses. B. Tech biotechnology is 4 years courses.  For the  first,  they are collecting tuition fee as 60,000 for first academic year. total fee is 3 lakhs( tuition fee)for 4 years.

Hostel fee, mess fee varies from college to college and from one academic year to another year.

for more details click  the link

https://www.careers360.com/colleges/bannari-amman-institute-of-technology-erode/btech-biotechnology-course Hope this Helps

BEST OF LUCK!