This book is, obviously based on primary source of information. Certain facts were duly corroborated by other sources. It has been objectively analysed, properly interpreted and systematically arranged in a consolidated form. It would be useful as a ready reference to the scholars, interested in undertaking intensive research on individual leaders, and their role in the movement. It would be beneficial to those activists who prefer to take lessons from their past. Therefore, the book is of great value.