 In April 1950, Municipal limits of Bombay were expanded by merging the Bombay Suburban District and Bombay City to form the Greater Bombay Municipal Corporation.The Samyukta Maharashtra movement to create a separate Maharashtra state including Bombay was at its height in the 1950s.In the "Lok Sabha" discussions in 1955, the Congress party demanded that the city be constituted as an autonomous city-state.