CBSE 12th

You will have to enroll to get admission anywhere. Go to college and enroll first or talk to the management about vacant seats in any quota. There are usually some self-financed seats available.

Hello Adarsh,
Of course you can. There is no maximum age limit here. In addition, your study during engineering graduation will come in very handy as you prepare for theory classes. Just do not worry and apply for admission.

There are many options. You can do B.Com, B.Com (hons.), Bachelor of economics, BMS, BBA (finance), or BBA (banking and insurance).

As per your mentioned score you may have chances but sorry you can't get a call from IIM. But you can try to get admission in it.

As per your mentioned score you may have chances to get admission in top B-schools. You just have to get the procedure of counselling session or you can contact the college you are interested in.

Yes, you are eligible for COMEDK exam with 61% marks in PCM and with 36 marks in maths as COMEDK only requires 45% in 12th board examination.

B.Sc agriculture is a great course as it will never run out of jobs. It is a 4 years' long undergraduate Bachelor's degree program.
Some top private colleges in south India are:
1. Achardya N. G. Ranga Agricultural University, Andhra Pradesh
Fees - 36.9 k per year
2. Adhiparaskthi Agricultural College, Tamil Nadu
Fees - 16.8 k per year.
3. Anbil Dharmalingam Agricultural College and research institute, Thiruchirapalli
Fees - 22.9 k per year
4. Vanavarayar Institute of Agriculture, Coimbatore
Fees - 23.5 k per year

Yes, you can give CBSE improvement examination while pursuing your Bachelor's degree but it's better to appear for all the subjects as it will give you a new and separate marksheet and you can use any marksheet out of two.

You can get a call from IIM if you lie in high percentile bracket and yes, you should appear for 2019 CAT. If you don't have job experience, it doesn't matter.

CBSE (12th) improvement examination results are declared in May every year along with the result of regular board examinees.