Mir Sadiq held the post of a minister in the cabinet of Tipu Sultan of Mysore. In the Fourth Anglo-Mysore War in 1798–99, he allegedly betrayed Tipu Sultan during the Siege of Srirangapatana, paving the way for a British victory.

Why Tipu Sultan lost the battle?

However, despite his bravery and martial skill, Tipu lost in the fourth Anglo-Mysore war fought in 1799. ... In the first case, it is believed that it was when the English won the alliances of regional powers such as the Nizam and the Marathas against the Sultan that he began losing ground.

Who defeated Tipu Sultan in the fourth Mysore war?

The Fourth Anglo-Mysore War was a conflict in South India between the Kingdom of Mysore against the British East India Company and the Hyderabad Deccan in 1798–99. This was the final conflict of the four Anglo-Mysore Wars. The British captured the capital of Mysore. The ruler Tipu Sultan was killed in the battle.