Retail

You can consider following colleges:
IIM, Kolkata
IIM, Indore
NITIE, Mumbai
NMIMS, Mumbai
Amity University
SCMHRD, Pune

Hi, Fee structure depends on kind of colleges. It varies from 35, 000 USD to 120,000 USD. Living expenses which includes accommodation, travel, personal expenses included might come to 25, 000 USD. Choose accommodation in a way that the costs can be subsidized. As for the eligibility, entrance exam and Bachelors would be the most basic requirement. Of course check about the work experience, cut off from Bachelor studies and English language proficiency and other applicable entrance exam and interviews.

The eligibility criteria required for applying to BBA course in India are: The candidates applying for BBA program should be Class XII passed or have an equivalent high school degree. Minimum age of applicants should be 17 years while the maximum age limit is 22 years.
Good luck.

You may pursue some Diploma course and also suggest you to continue graduation as they have higher chance of placement. For Diploma courses check out some of the top institutes:
https://goo.gl/21XXNF