Science

Engineering stream choice is completely yours, choose the stream which you love the most. The streams are given on the basis of your rank in any national or state entrance exam. To get admission in any desired branch, you should have a very good rank.

Unfortunately, there is no possibility as that is the rule. It is compulsory for you to have English all through out.

Which field are you from and with which subject are you pursuing it currently?

Hi,
Universities abroad offer scholarships to students on merit basis. Your academic grades, extracurricular activities, achievements and overall profile will be checked. There are also several organizations offering funds again on the merit basis. Here are some popular names:
Aga Khan Foundation
Inlaks Shivadasani Scholarship
USIEF Fulbright-Nehru Fellowships
Hornby Scholarship to study in the UK and Commonwealth Scholarship to name a few.

For course in banking you need Commerce stream, with Science stream you can only go with Engineering, pharmacy, medical. So, you can do engineering now and go for MBA in Finance after Graduation which shall be the most suitable.

As per your query, you can make your career in the following fields:
1. LLB
2. MBA (hospital administration, international business, agriculture and marketing)
3. Advertising
4. Journalism
5. Public administration
6. International relations
So choose the field according to your interest and caliber.
All the best.

You are eligible to do actuarial science courses after B.Sc (Hons.) in maths.

Nano science deals with the nano size particles, which have size of less than or equal 1nm. It includes research in field of electronics circuit or biology, in which you will study about very minor particles. In biology, nano science deals with organisms, which are very small in size.
In electronics engineering, it deals with nano size devices or circuits like transistors and ICs. You can pursue B.Sc or B.Tech in nanotechnology or B.Sc in microbiology. The scope for this field is good in India. As per technological development, it will have great future in India as well as in other countries.