BCA

Both the courses won't be able to help you. I would recommend you to pursue PG in M.Sc or MCA to get decent salary.
All the best.

BCA is a full-time undergraduate degree course which is preferable only if you have a bone-breaking interest in computers. And, your vision should be clear about MCA also. Both combined together will help you in your career growth.
Eligibility would be 60% in XII for BCA.
For MCA, XII with maths and around 50-60% in BCA.
A wrong decision now will leave you in a black hole of confusion and frustration.
However, you are always eligible to do other PG courses like MBA after BCA. In spite of other options available, your decision will have a great effect on your career.
All the best.

Hi,
I assume you've already completed your BCA and want to MBA. So in that case, MBA in IT/systems is what you should ideally pursue. After finishing MBA, you will possess both technical & managerial knowledge, which will always be beneficial for you as well as the companies who would look to hire candidates like you. There are a lot of job opportunities in reputed companies like Infosys, HCL, Dell, Wipro, etc.
But it would be better if you pursue MBA in IT/systems from well-known B-Schools like IIMs, FMS, S.P Jain, MDI, etc. as they have good market value as well as excellent campus placement facilities. All the best.

BCA undoubtedly is a better course, as DCA is only a diploma course and BCA is a full time UG course. Even the job opportunities and scope is far better for the BCA course.

You should pursue B.Sc in electronics.

These two are totally different courses, you can't compare them.
You should choose that one whichever suit your needs.
If you are interested in computer programming language and want to make career in this field then you must do BCA, otherwise B.Sc is also not bad.
The choice is yours.

St. George College of Management Science and Nursing, Bangalore is the best college.
Check out the official link below for admission details:
http://www.stgeorgecollege.org/academic/bca.php

NIOS board is also valid for admission to maximum BCA colleges across Mumbai:
Check out the link below for details:
https://it.shiksha.com/bca-colleges-in-mumbai-all-categorypage-10-100-46-0-0-10224-1-2-0-none-1-0#cateSearchBlock