CBSE 12th

yas you can but when your air will be come

Dear sujeet
According to me every fields having own scope ,growth and value I can't give them ranking but here I mentioned few courses which I feel having good scope for commerce students :
Economic hons
Actuarial science
Law
maths or stats hons
B.arch
Psychology
foreign languages
special education
So now depend on your passion and interest you can choose the fields.
All the best

If your are PCM for your +2, then Engineering is a viable option for which you must clear state/national level entrance examinations. B Sc in Sciences or Mathematics is also in demand. For PCB, Medicine which includes MBBS, BDS, B Sc Nursing/Agriculture, BAMS, BHMS, Diary Sciences etc are the preferred choices of which MBBS is most demanded. B Sc in Bio Technology, Bioinformatics are some demanded courses. For those belonging to Commerce stream, B Com is the most sought after course. BBA, BCA etc are also in good demand when there are people who are desirous to become a Manager. MBA is a demanded post graduate programme after a degree.

Hi
There are national level, state level and university specific entrances. you may find the complete list here.
http://www.exacthub.in/2014/01/engineering-entrance-exam-list.html?m=1

As you want to pursue B.Sc in agriculture you can take PCB as well as PCM.
PCMB will also help you.
Search about ICAR exams.

You can take admission to open universities or either you can join distance learning course .

Sorry this portal is for MBA related queries. IM BHU does not offer b.tech degrees. You can probably post your questions on IIT BHU portal.

Well, It depends solely on you interest. After 12th, you have lots of career opportunities like MBBS BDS BTech BArch BA BSc BCom BBA etc.
Choose the one in which you are the best.