 They initially had their capital at Arcot in the present-day Indian state of Tamil Nadu.Their rule is an important period in the history of Carnatic and Coromandel regions, in which the Mughal Empire gave way to the rising influence of the Maratha Empire, and later the emergence of the British Raj.The old province known as the Carnatic, in which Madras (Chennai) was situated, extended from the Krishna river to the Kaveri river, and was bounded on the West by Mysore kingdom and Dindigul, (which formed part of the Sultanate of Mysore).