Tamil Nadu Agricultural University

For B.Sc it is 23k per year (4 years) approximately.
For M.Sc and M.Tech it is 17k/ year approximately.

If you did via online then, there is an option to edit it if you have not done your final submission yet or paid the fees. But, if you have e-paid the fees and submitted the application then you would have to contact the university directly for assistance.

If you did via online then, there is an option to edit it if you have not done your final submission yet or paid the fees. But, if you have e-paid the fees and submitted the application then you would have to contact the university directly for assistance.

Sure, you can get admission in B.Sc Agriculture course as you meet with the eligibility criteria properly.

For admission in to Bachelor’s degree in Agriculture, the candidate must have passed the higher secondary school certificate (10+2) examination with science subject such as (biology, maths and chemistry). The duration for this course is 3 years.
List of Courses: -
Diploma in Agriculture
Diploma in Foo

Yes, definitely, you will get a seat in Coimbatore University with a cut-off of 87.5 in 12th (2019) as the eligibility criteria is 10+2 with 60% with Group 1- Mathematics, Physics, Chemistry & Biology.
OR
Group 2- Physics, Chemistry, Biology with a fourth elective i.e Biotechnology/ Microbiology/ Bioc

No, there is not . The selection of those applied for the course, will be done on merit basis and online counseling process after that. Students with highest scores are shortlisted for admission to TNAU.