 The battle was fought at Patparganj, right across Yamuna River from Humayun's Tomb, also giving the battle its local name.The Marathas occupied a strong position with the Jumna in their rear, and Lake, feigning a retreat, drew them from their lines, and then turning upon them drove them with the bayonet into the river, inflicting more losses upon them.The city of Delhi surrendered three days later.