حيدر علي
The Nawab was an ally of the British East India Company, but also harboured great ambitions of power in the South Indian arena, where Hyder Ali of the Mysore, the Marathas, and the Nizam of Hyderabad were constant rivals. The Nawab could also be unpredictable and devious, and his breach of promise in failing to surrender Tiruchirappalli to Hyder Ali in 1751 was at the root of many confrontations between Hyder Ali and the British.