India

Hi,
You may refer the link below for the list of colleges for BCA in Chhattisgarh:
https://www.shiksha.com/it-software/colleges/bca-colleges-chhattisgarh

GCET was ranked at number 53 in 2013, at number 42 in 2014 and at number 28 in 2015 among the top 100 engineering colleges of India by Data Quest. In 2006, GCET was named as one of the top 100 engineering schools in India by Outlook. GCET is affiliated with the Gujarat Technological University. So this is average good option for mechanical engineering.

If you have 61% marks in 12th you can easily get admission in colleges like LPU and other private colleges by giving the entrance exam of the colleges like I'll be honest and you can I will a scholarship amount also based on your performance in the LPUNEST exam.

Hema, mail to admissions@lpu.co.in to get MBA syllabus.

You must target to score at least 97 percentile to get calls from newer IIMs or top B-Schools like MDI, XLRI, XIMB and S. P. Jain. As you have a good academic profile, you can surely expect few more good B-Schools call.

SRM is better as it provides central placement so the degree from SRM cannot be treated as waste. It will also help in off-campus placement.

Yes, you can do it after B.Com. There are many colleges in India as well as abroad.