Colleges in Mumbai

No, you can't get admission. You have to start from the 1st year for MCA.

Yes, you can definitely get admission in this institute. You have scored good marks.

You need to be a graduate in order to pursue this course.

Admission to B.Tech in BIT Mesra is done on the basis of AIR in JEE Mains through CSAB (Central Seat Allocation Board) / JoSAA (Joint Seat Allocation Authority). Candidates must meet eligibility criteria and apply for the programme. Campus Recruitment Programme of BIT has been an example for several

Yes, you can pursue Diploma after class 12th.

Yes, your friend can study MA in English from Mumbai University as the minimum eligibility criteria for admission in this course is that candidate must have passed a graduation in any discipline from any recognized university.

Yes, M.Com is offered by Institute of distance and open learning University of Mumbai.
Total fees for M.Com 2 years - INR 4,950.

you can get your answer through the following
https://www.shiksha.com/law/resources/clat-college-predictor
hopefully this link will answer your queries

The only way you can get admission in SOL or IGNOU is to fill their online application form and pay the fees online. I don't think anything can be easier than this.