It is possible to do some scuba diving in Kerala and enjoy the rich variety of underwater life. Kochi and Thiruvanthapuram both offer opportunities for scuba diving. You should check out their itineraries and the equipment available before picking a company.
Just make sure that you don’t pick a day with bad weather as it can spoil the dive. Also remember not to move out too far into the ocean away from the safety zone. A basic level of physical fitness is a must if you wish to do some scuba diving.