Mahadji, aided by the British policy of neutrality, now set to work to establish his supremacy over Hindustan proper.
Hindustan he had to march north into Khwarizm (Khiva) against his brother-in-law Mamun, who had refused to acknowledge Mahmud's supremacy.
Though nominally a deputy of the peshwa he was now ruler of a vast territory, including the greater part of Central India and Hindustan proper, while his lieutenants exacted tribute from the chiefs of Rajputana.
In India it is confined to the province of Kathiawar in Gujerat, though within the 19th century it extended through the north-west parts of Hindustan, from Bahawalpur and Sind to at least the Jumna (about Delhi) southward as far as Khandesh, and in central India through the Sagur and Narbuda territories, Bundelkund, and as far east as Palamau.
Between this and the direct route to Peshin is a road which leads through Maruf to the Kundar river and the Guleri pass into the plains of Hindustan at Dera Ismail Khan.