By nine o’clock, the two armies were lined up facing each other, with a marsh between them, and the wide, flat expanse of the Ganges flanking the Mughal left wing. Shuja’s Naga and Afghan cavalry, who had been placed on the right of the Mughal line, opened the battle by swinging around the marsh, wheeling to Munro’s rear and attacking the back of the Company’s formation, where the Grenadiers were stationed.