On 25 February, Muhammad Shah made Ghazi ud-Din Khan Feroze Jung II, the eldest son of Nizam-ul-Mulk, "mir bakshi" (equivalent to an army's paymaster general). This angered Khan, who desired the appointment and told Nader Shah that was a small portion of the Mughal treasury. He advised Nader Shah to conquer Delhi (where he could loot jewels, cash and other valuables), Shah gave Khan permission to attack the city. When Muhammad Shah arrived at the Persian camp, he was arrested and his harem was confiscated. Nader Shah made Khan the army's "wakil-i-mutaliq" (regent plenipotentiary), and Muhammad Shah was also forced to accept him.