This is the best book to understand the molecular mechanism of nodulation in legumes especially in Cicer aritinum. Chapters are dedicated to explain the theoretical as well as practical knowledge of the role of nod factors and nod genes in nodulation process.This work is based on the results of research carried out by the author and his team at various research labs in India.This book is also suited for those students who are working with legumes especially Cicer arietinum.