 In 1956, the Reorganisation of States Act on linguistic-basis was passed by the Republic of India, which furthered Mysore State's frontiers.Coastal parts of Mangalore, which previously belonged to Madras Presidency, were incorporated into Mysore State, as well as Kannada-speaking regions of Bombay Presidency (sometimes referred to as Bombay-Karnataka region) and Hyderabad State (Hyderabad-Karnataka region).In 1974, Mysore State was renamed Karnataka State.