The biography of Sardar Vallabhbhai Patel is a comprehensive and vivid narration of his unique contribution to Mahatma Gandhi struggles for India's freedom (1920-47). Without his support, Mahatma Gandhi admitted.his satyagrahas wouldn't have had the same success. It was he who built the party machine through imposition of strict discipline and by giving it a mass base, and as party boss supervised and directed the functioning of the Congress ministries post-1937 provincial elections.