Muhammad, son of Kasim, left Armail, accompanied by [p. 21] Jahm, the son of Zahru-l Ju’fi, and arrived at Debal on Friday, where ships brought to hi… - Al-Baladhuri

Afterwards, Hajjaj, during the Khilafat of Walid, son of ‘Abdul malik appointed Muhammad, son of Kasim, son of Muhammail, son of Hakim, son of Abu ‘Ukail to command on the Sindian frontier. Muhammad was in Fars when the order arrived, and had previously received instructions to go to Rai [south of the Caspian Sea]. Abu-l Aswad Jahm, son of Zahru-l Ju’fi, was at the head of the advanced guard, and he was ordered to return to Muhammad, and he joined him on the orders of Sind. Hajjaj ordered six thousand Syrian warriors to attend Muhammad, and others besides. He was provided with all he could require, without omitting even thread and needles. He had leave to remain at Shiraz until all the men who were to accompany him had assembled, and all the preparations had been duly made. Hajjaj had some dressed cotton saturated with strong vinegar, and then dried it in the shade, and said, “When you arrive in Sind, if you find the vinegar scarce, soak the cotton in water, and with the water you can cook your food and season your dishes as you wish.” Some authors say, that when Muhammad arrived on the frontiers, he wrote to complain of the scarcity of vinegar, and this was the reason which induced Hajjaj to send cotton soaked in vinegar.

Abu Bakr, Who had been a slave of the Karizis, related to me that the country called Al ‘Usaifan between Kashmir and Multan and Kabul, was governed by a wise king. The people of this Country worshipped an idol for which they had built a temple. The Son of the king fell sick, and he desired the ministers of the temple to pray to the idol for the recovery of his son. They retired for a short time, and then returned and said, “We have prayed and our supplications have been accepted.” But no long time passed before the youth died. Then the king attacked the temple, destroyed and broke in pieces the idol, and slew its ministers. He afterwards invited a party of Muhammadan traders who made known to him the unity of God. Hereupon he believed in the unity and became a Musulman. This happened in the Khalifat of Mu’tasim bi-llah, -may God have mercy on him!

Muhammad, son of Kasim then went to Nirun, the inhabitants of which place had already sent two Samanis, or priests, of their town to Hajjaj to treat for peace. They furnished Muhammad with supplies, and admitting him to enter the town they were allowed to capitulate. Muhammad conquered all the towns successively which he met on his route, until he had crossed a river which runs on this side of the Mihran [Indus]. He then saw approaching towards him Sarbidas, the Samani, who came to demand peace in the name of the inhabitants. Muhammad imposed tribute upon them, and then went towards Sahban, and took it. Then he went to the banks of the Mihran, and there remained. When this news reached Dahir, he prepared for battle. Muhammad, son of Kasim, had sent Muhammad, son of Mus’ab, son of’Abdu-r Rahman as Sakifi, to Sadusan, with men mounted on horses and asses, at whose approach the inhabitants solicited quarter and peace, the terms of which were negotiated by the Samani. Muhammad granted them peace, but he imposed tribute on the place, and took pledges from them, and then returned to his master. He brought with him four thousand Jats, and left at Sadusan an officer in command.