This book on hydrodynamics has been written to meet the requirement of graduate students of all Indian universities. The subject matter of this book has been presented in such a way that it is easily accessible to students. Each chapter of this book has complete theory and large number of solved examples. We have been selected sufficient problems from various universities examination papers. We have tried to our best to keep the book free from the misprint. The author shall be grateful to the readers who point out errors and omissions which inspite of all care might have been there.