IIFT

No, degree and Diploma both courses are available in IIFT. You can choose whatever you are interested in. Best of luck.

It depends on different IIMs or other Top B-schools, they have separate criteria for percentages in class 10th and class 12th.

No, Placements are not assured for Certificate Course, but you will surely get edge due to that in your jobs.

Most of the colleges now a days are looking for diversity in academics and work experience. Considering your graduation in BBA and arts background, you have very good chances of getting calls and converting them. So, keep your hopes high.

10 and 12th scores and marksheet are necessary and need to be submitted during your admission process.

For getting into any B-School, it is important to clear their respective entrance exams like CAT. You have good academic scores, so now focus in getting 96+ to get into IIMS and FMS.

For getting into any B-School, it is important to clear their respective entrance exams like CAT MAT etc.

You can check the cutoff of different colleges by clicking the link below. https://www.shiksha.com/mba/iift-exam-cutoff.