to answer to questions on this forum : yes, there are many divers and diving spots in india. For example pondicherry, goa, mammallapuram, murudeshwar, netrani island, lakhshwadeep, andamans. goa has a larger number of padi dive resorts like
Goa Aquatics - PADI Scuba Diving Resort in Goa India. (run by Anindya a friend) I am from pondicherry, a small beach town with lot of diving scopes like spearfishing, freediving & scuba. the waters clear blue with 15 - 20 metres viz at 8-10 kms out in the sea. check out our pondydivers group link for info.
pondydivers : The Pondicherry Divers
cheers