Indian Agricultural Research Institute

Here are the complete details of the ICAR EXAM:
https://www.shiksha.com/science/icar-aieea-exam
Kindly follow the link to get all the information.

Checkout your eligibility here :
M. Tech] (Agricultural Engineering) The minimum eligibility requirement for admission to the M. Tech. Agricultural Engineering is a Bachelor of Engineering or Bachelor of Technology degree in Agricultural Engineering or similar discipline

Yes, for maths stream students there are many options like B.Tech agri and B.Sc. Agriculture.

https://www.shiksha.com/science/articles/colleges-accepting-icar-aieea-ug-2020-scores-ranks-for-admission-blogId-13821
Visit the link in shiksha for more details.

Give the test of agriculture entrance exam of your state and then choose your branch for the degree.

Agricultyre subject is not available in Class 12th. You can apply for ICAR AIEEA Exam 2020.

Yes, you will be doing the same after 12th.

Hello,
Indian Council of Agricultural Research (ICAR) conducts All India Entrance Examination to shortlist aspirants for admission in undergraduate, postgraduate and doctoral programmes in agriculture and allied sciences. ICAR conducts All India Entrance Examination for admission (AIEEA) to fill 15% seats in Bachelor's degree programmes. Apart from that, on the basis of AIEEA UG aspirants are awarded National Talent Scholarships in agriculture & allied Science subjects (other than veterinary Science) in agricultural universities and 15% seats in dairy technology at NDRI Karnal, informs the official website.

Hello,
Why not? If you are interested in pursuing your career in the field related to Agri or Forestry, you may eligible to apply for ICAR AIEEA Exam.

Hello,
You may be eligible to apply for ICAR AIEEA Exam 2020 for admission in UG and PG courses offered by ICAR.