Westcoast Adventures has centers around India, with an Inland Dive Center in Mumbai, Vile Parle East. The training sessions take place at the Prabodhankar Thackeray Gymkhana on weekends. They offer two options, Try Dive, which is a 1.5 hour program in the swimming pool that gets you familiar with the equipment, basic hand signals and dos and dont's at INR 3,500 + tax.
If you find you loved the experience and are planning a dive vacay, they also offer a 4-day certification course. The first two days take place in Mumbai with theory and pool training in confined water at INR 16,500 + tax. For the last 2 days of the course, you are required to undertake 4 dives which can be in your own time, or for an additional 14,500 + tax at their other centres at Goa and Karnaraka.