Kota

Yes, you can get admission easily in this university.

I think you should go with RTU, Kotak Civil engineering than MBM Chemical Engineering because the chances of getting Government Jobs just after your undergraduate is more in Civil. Further, somehow college matters but in your case I think you should opt Civil Engineering. Also, both the branches are

Resonance and Allen are the best coaching institute for the JEE exam preparation in Kotak. They provide quality JEE notes with quality faculty members.

Hello Amir,
Sorry, you are not eligible for MBA from a good college because it needs 50% and 45% for SC, ST, OBC. Some private universities will entertain you but it is not worthy better to choose another option or you can do it through private universities or by distance education.
IPS Business Sch

35 to 40 seats are available for M.Com Accounting.

Yes, you can get admission in COEP or VJTI through ladies quota, but you cannot get ECE or CSE in these colleges. You must have compromise with your branch, if you want to take admission in these colleges.

For BCA, Gyan Vihar University is the best option because they have good faculty members.

You may get admission in RTU-Kota because you belong to the Sc category.