CBSE 12th

Yeah, you can go for civil services

Hey Sagar,
This rank in JEE main can't help in getting admission in getting admission into a good college. However you still have other options open for you. You can apply for these good universities for their own entrance examinations like VITEEE, BITSAT, LPU NEST.

Hey Manish,
There are certain scholarship exams which you can consider like TOEFL, SAT etc. Also there are some scholarship through govt programs. Otherwise what you can do is take admission in international programs offered by Indian universities. In this case scholarship for Indian universities will be easier to get and you will be pursuing you degree abroad finally. There are some good universities offering international program, you can check these out -

No, its not mandatory to have biology in +2 to persue Btech Biotechnology

You can opt BSc Zoology, Botany, Chemistry, Medical Science

Yes mohit ,there are many colleges where you can take the admission based upon their entrance examination and they would even provide you scholarship if you will get good rank in their test.one such university is Lovely professional University ,punjab which provides their student an excellent plattform to explore their talents.i have read that it is the largest private university of this university.i suggest you to enquire there for the admissions.
best of luck

You should score 80 percentage or more for better chances of admission

Hello dear, dont b confused. If u hv started doing bca it is suggested to complete it successfully as you hv already invested. Later, after yr graduation u may change your stream to business. U will b able to opt mba. If u r not satisfied wth bca and want to change u may opt for bcom/bba/bms/llb/bfa. Hope u do well. Thank you.

Go for a degree in aviation or aircraft maintenance or take a test of CAA and get your pilots licence.