Yashwantrao Balwantrao Chavan . 12 March 1913 – 25 November 1984) was an Indian politician. He served as the last Chief Minister of Bombay State and the first of Maharashtra after latter was created by the division of Bombay state. His last significant ministerial post was as the Deputy Prime Minister of India in the short lived Charan Singh government in 1979. He was a strong Congress leader, co-operative leader, social activist and writer. He was popularly known as Leader of Common People. He advocated social democracy in his speeches and articles and was instrumental in establishing co-operatives in Maharashtra for the betterment of the farmers. He is generally regarded as the architect of Modern Maharashtra.