killed and 700 wounded. This number comprised such a small fraction of the Persian army as to be negligible. Sa'adat Khan was taken to Nader that very evening. The Khan advised the Shah to call upon Nizam-ul-Mulk as he was the "key to the Empire". Soon afterward, Nizam-ul-Mulk and a following of other Mughal negotiators arrived at Nader's camp. Although the meeting was initially tense, with the Mughal plenipotentiaries arriving with armour instead of plain clothing, Nader soon requested that he and Nizam-ul-Mulk be left alone to discuss matters more freely. Once alone with the Shah, Nizam-ul-Mulk humbly claimed that his life was entirely at his mercy. Nader impressed upon him the importance of Muhammad Shah agreeing to pay an indemnity to the Persian crown. Having convinced Nizam-ul-Mulk to request the Mughal Emperor's personal presence in the Persian camp, Nader sent him away. 26 February saw the Mughal Emperor travel to meet with his Persian counterpart amongst much pomp and circumstance. Nader paid Muhammad Shah the respect worthy of an Emperor and conversed with him in Turkic. After the conclusion of the negotiations the Mughal party returned to their encampment west of Alimardan river. A sharp dispute arose regarding who would replace Khan Dowran in his office. Muhammad Shah interceded on Nizam-ul-Mulk's behalf which enraged many other notables, chief amongst them Sa'adat Khan. It is claimed that Sa'adat Khan entered into secret correspondence with Nader and incited the Shah to march to Delhi in order to extract a much larger indemnity from Muhammad Shah. Mughal submission and sacking of Delhi In early March, Nader summoned Nizam-ul-Mulk once again and unilaterally declared the previous agreements to be null and void. Nizam-ul-Mulk protested but was forced to write Muhammad Shah to implore him to once again travel to the Persian camp. Muhammad Shah complied and thereafter permanently remained in Nader's presence (and custody). In an act of mercy, Nader allowed the Mughal soldiers still in their camp to leave with their mounts and livestock, and he also gave an advance payment to all of his own soldiers, in addition to the Persian camp followers. Tahmasp Khan Jalayer, one of Nader's most dependable lieutenants, was given the task of marching ahead in the company of Sa'adat Khan on the route to Delhi. Persian occupation of Delhi Nader entered Delhi with Mohammed Shah as his vassal on 20 March 1739. The person of the