"The Countries of Indostan East of Delhi [1764], by Major *James Rennell*, late Surveyor General to the East India Company in Bengal," reproduced in 'The History of the Military Transactions of the British Nation in Indostan, From the Year MDCCXLV. To Which is Prefixed a Dissertation on the Establishments Made By Mahomedan Conquerors in Indostan' by Robert Orme (Madras: Pharoah, 1862); CLICK ON EITHER HALF OF THE MAP FOR A VERY LARGE SCAN

"India, illustrating its history to the present time, & showing its divisions in 1760," a map by J. Bartholomew from 'The  Library Atlas' by Bryce, Collier & Schmitz, published by William Collins, Sons & Company, London, 1876; CLICK ON THE MAP FOR A VERY LARGE SCAN

A map by Longmans, 1905, showing India in 1760; CLICK ON THE MAP FOR A VERY LARGE SCAN

Source: http://www.lib.utexas.edu/maps/historical/india1760_1905.jpg
(downloaded Feb. 2008)