It actually depends on the number of years of work experience you have. If it is more than 5 years then you should go for an executive program or else the pgdm programmes. In Mumbai there are a number of colleges which offer executive MBA programmes. Some of them are listed below:
1. SPJAIN - PGEMP which is a 21 month programme for people with more than 5 years of experience.
2. JBIMS - Masters in Finance Management course
3. NMIMS - Executive MBA
4. IIM Indore Mumbai campus - PGPMX programme