Details of Families 44, marine bivalves 50, marine gastropods 88, marine scaphopoda 3, freshwater bivalves 4, freshwater gastropods 23, land shells 8. The details of commercial uses of molluscs in the field of food, medicines, ayurvedic medicine, trade goods, tools, architecture, decoration and religion is given. This book is guidelines to the students and researchers working on Indian molluscs and Indian shells collectors.