Correct Option: D

Nanasaheb Peshwa was then at the zenith of his power having defeated the Nizam at Udgir. He chose Sadashiv Rao Bhau to lead the Maratha army to Delhi. Both Malhar Rao Holkar and Ranghunath Rao had deep knowledge of north India having lived there and fought many battles there but Sadashiv Rao Bhau was totally new to north India.