[1] Mysore State was considerably enlarged when it became a linguistically homogeneous Kannada-speaking state within the Republic of India by incorporating territories from Andhra, Bombay, Coorg, Hyderabad, and Madras States, as well as other petty fiefdoms, It was subsequently renamed Karnataka in 1973.
[2] The Kingdom of Mysore was one of the three largest princely states in British India.
In 1956, the Government of India effected a comprehensive re-organisation of provincial boundaries, based upon the principle of shared language.
As a result of the States Reorganisation Act on 1 November 1956, the Kannada-speaking districts of Belgaum (exclusing Chandgad), Bijapur, Dharwad, and North Canara were transferred from Mumbai to Mysore.
Also, the small Coorg State was merged, becoming a district in Mysore.