The Siege of Nundydroog was conducted by British Indian forces under the command of General Charles Cornwallis in October 1791, during the Third Anglo-Mysore War. The fortress of Nundydroog, was held by the forces of Tipu Sultan, the ruler of Mysore. The British eventually stormed the fortress on 19 October.
References
Marshman, John Clark (1863). The history of India