MBA/PGDM

As a SC student, you are eligible for admission in all Government Universities and B-School which offer MBA. You are advised to try at IIMs, MDi and FMS Delhi University. You may refer to following link for list of top MBA colleges in India:
https://www.shiksha.com/mba/ranking/top-mba-colleges-in-india/2-2-0-0-0

Yes, there is regular, part-time, distance, executive programmes for MBA out of which regular is the best followed by executive programme from a very reputed institute after having relevant work experience. Part-time and distance learning in MBA is not recommended at all and it is sheer waste of time and money. For good placements and exposure, MBA from a good institute matters rather than enrolling in any B grade college just for the heck of it.
All the best.

Both have equally good scope and placements. It depends on individual's choice. MBA finance can pave career path in good opportunities existing in financial institutions in case you have good aptitude in number crunching and analytical skills.Many also pursue CA/CFA. MBA marketing suits one with great interpersonal skills and has good opportunities in several FMCG, etc. and even marketing avenues are there in financial institutions as well.

Definitely, IMT-Ghaziabad is better than IMI. IMT has open subsequent campus in other cities as well.

You may pursue management after BCA in case it suits your interest and aptitude, also if you not keen to do Masters in specific computer applications domain and wish to explore more career opportunities. You may appear for MBA entrance exam and enrol with a reputed institute.

Every branch has scope depending upon the aptitude and interests of individuals. For instance, MBA in Finance gives lucrative opportunities in financial institutions like bank, Human resource are meant for people's person. Marketing is for individuals with very good inter personal skills. Logistics & Supply chain too has a good scope.

Hello,
If you have performed well in your MBA semesters and gave good GDPI, low score in UG should not impact a lot. Score in UG is more relevant in eligibility criteria to appear for MBA entrance exams.

If you can justify your gap, it won't affect your placements and your good performance in GD-PI can definitely ensure a good placement.
All the best.

Yes, it decides your eligibility for MBA entrance exams and your profile. however placements are based on your MBA semester performance and subsequent GDPI.