The siege of Ambur (10 November – 7 December 1767) was conducted by a combined force of Mysorean and Hyderabadi troops under the command of Hyder Ali against the town of Ambur in southern India during the First Anglo-Mysore War. The town was successfully defended by a garrison of local troops and a small force of British East India Company troops under the command of Captain Calvert. References Illustrated Naval and Military Magazine, Volume 1 Conflicts in 1767 1767 in India Sieges involving the British East India Company Sieges involving Great Britain Sieges involving the Kingdom of Mysore Sieges involving the Indian kingdoms Siege of Ambur 1767