I. The Textbook entitled "Non- Conventional Energy Sources and Utilisation" has been written especially for the courses of B.E./B. Tech. for all Technical Universities of India. \n\nII. It deals exhaustively and symmetrically various topics on "Non -Conventional Renewable and Conventional Energy and Systems." \n\nIII.. Salient Features of the book: \n\n• Subject matter has been prepared in lucid, direct and easily understandable style. \n\n• Simple diagrams and worked out examples have been given wherever necessary. \n\n• At the end of each chapter, Highlights, Theoretical Questions, Unsolved examples have been added to make this treatise a complete comprehensive book on the subject. In this edition, the book has been thoroughly revised and a new Section on "SHORT ANSWER QUESTIONS" has been added to make the book still more useful to the students.