Lal Singh was the commander of the Sikh army during the first Anglo Sikh war. The treachery of Lal Singh and Teja Singh helped the British to acquire Lahore without a single battle.
The Pindaris (Also known as Scavengers of the Maratha) were the irregular horsemen during the time of Bajirao I. They settled in Malwa after the third battle of Panipat (1761).