BBA

Yes, definitely, it will be beneficial for you. Although the things will be slightly tough, but if you're sincere you will be easily able to both of them. There are many people in my knowledge who are pursuing both the courses simultaneously. But CS with MBA certificate will definitely be as an advantage in the corporate world. So, I suggest that after completing CS you should do MBA.
Good Luck!

Both are great option, have good scope and you can earn very high now its totally depends upon what's your choice and whats your interest if you are interested in entrepreneurship, then you could go for it and if not then you can preferably go for another one its all about your choice.

Applicants must obtain aminimumof 60 per cent in the qualification examination. Candidates belonging to SC/ST/CW/PwD category requires minimum of 55 percent, while OBC (Non-creamy) category candidates require 54 per cent, at the senior secondary level.

These are the list of colleges for supply chain management in Kolkata-
Eminent college
NSHM
Institute of Management Study
Maulana Abul Kalam Azad University of Technology
International School of Business and Media

Hi Abhishek,
Firstly you need to apply for BIMM by filling application form. Then afterwards you need to appear for GD and PI process. Just do well in GD and PI, if performed well you can get admission in BIMM.

Hi,
Admission is offered according to the merit list prepared on the basis of valid entrance test score of IIEMAT score.
The web page of this college is silent about fees charged for various courses. It would be recommendable to get in touch with the college officials for the detailed information on the fee structure-
http://www.iiemdelhi.com/bba-in-event-managment-pr.html
Regards.

You can refer to this link for the list of colleges https://www.shiksha.com/bba/articles/bba-colleges-offering-admission-through-merit-blogId-14012.

According to me, you can give more preference to GMAT. All the best.

Yes, of course, there is. A one-year PGDM obviously is not equivalent to an MBA. PGPM is an award programme, not a degree.