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.^[1]

Siege of Ambur
Date 10 Nov. – 7 Dec. 1767 Location Ambur , Tamil Nadu, India 12°47′N 78°42′E / 12.78°N 78.7°E / 12.78; 78.7 Result Local troops and East India Company
Belligerents
East India Company Local troops	Mysore state
Commanders and leaders
Captain Calvert	Hyder Ali