The intelligent dolphins, the giant whales and the inoffensive Dugong or Sea-cow are among the most fascinating creatures the wild. Every aspect of their way of life is astonishing-some of them use sound to "see" in the water, some of them dive to incredible depths in search of food, and some of them sing complex songs. Marine mammals are so intriguing that worldwide there is a multi-million dollar industry in just watching these animals. Yet, in India ...