IIT

Yes, you can. If you can clear GATE, then you will be called for a separate written test in the institute you have applied to. If you clear that written, you will be called for a personal interview.
There are many good courses in IISC and IITs. Please check the webpage of the Mathematics department in their respective websites.

Hi Aditya, you must achieve excellent grades and look for companies offering internship positions to international students. It will be difficult, until and unless your college in India has some sort of tie-ups with any organization in Germany. You can think of looking for a job after completing your internship in India as an alternative. Hope it helps.

Hi. With the given profile you are eligible for IITs. For IIT Delhi, the chances of getting a call would depend on the pool of students. You need to visit the website and fill in the application forms as per the process mentioned on the websites.

DO IIT then Mba
This is will a good combination

IN DSM almost all the clubs are student driven. College gives ample opportunities to every student to develop managerial skills. At this point of time I can not tell you about the pass out colleges of our faculty members, all what I can tell you is that all faculty members are NET qualified and are highly experienced in their respective fields.

Sambit you can apply for other colleges:
Prin. L. N. Welingkar Institute of Management development & Research
Indian Institute of Management, Bangalore
Department of Management Studies, IIT Madras
International Management Institute, Delhi (IMI)
S.P. Jain Institute of Management and Research (SPJIMR)
Loyola Institute of Business Administration
BIMTECH
Last year cut off for IIT was 90 percentile.

As per last year cut off you might get a call from IIT. Last year cut off was 90 percentile.