suggest me courses in which I can learn all of these together (accounting, investing, marketing and law)

Dear Aspirant,

You can go for Bachelor in Business Administration and Bachelor of Legislative Law, a 5 year integrated degree where you will learn about various topics about investing, marketing, accounting, and Law.

You can go for the MBA in Investment Banking course.

There are many B- schools offering the Degrees. Some of them are-

1. Symbiosis Law School.
2. Ramaiah College of Law.
3. New Law College.
4. K.L.E Society's Law College.
5. Lovely Professional University.
6. CMR Law College and Center for Business Studies.
7. National Law University, Jodhpur.
8. Amity Law School, etc.

The top MASTER OF BUSINESS ADMINISTRATION IN FINANCE DEPARTMENT colleges are -

1. Indian Institute of Management, Calcutta
2. Indian Institute of Management, Ahmedabad
3. Indian Institute of Management, Bangalore
4. Indian Institute of Management, Lucknow
5. Xavier Labour Research Institute, Jamshedpur
6. Jamnalal Bajaj Institute of Management Studies, Mumbai
7. P. Jain Institute of Management and Research, Mumbai
8. Faculty Management Studies, Delhi, etc.

All the best.