1/3rd of so called marathi were part of Nizam. Mumbai presidency comprised of Whole Gujju & Sindh and part of Maharashtra, Karnatka & yemen (Gulf). Chief Language were Sindhi & Gujurati & Urdu.
After 1955, when the State of Bombay was being re-organised along linguistic lines into the states of Maharashtra and Gujarat, there was a demand that the city be constituted as an autonomous city-state. However, the Samyukta Maharashtra movement opposed this, and insisted that Mumbai be declared the capital of Maharashtra. Following a successful protests in which 105 people were killed by police firing, Maharashtra state was formed with Mumbai as its capital on May 1, 1960.