In all, 25 species of crocodiles are present in the world, of which 3 species represent in India, viz., Gavialis gangeticus (Gharial), Crocodilus porosus (Saltwater crocodile), and Crocodilus palustris (Mugger crocodile). The population of crocodiles has dwindled because of their exploitation at alarming rates. Their commercially valuable skin, meat, eggs and oil made them vulnerable. This book introduces the types of Indian crocodiles, their habits, biology, breeding, steps taken for their protection throughout the World and are presented in different chapters.