In this video you will know Why did Muhammad bin Qasim give one hundred thousand dirhams to Raja Dahir's companion?
There are several reasons why Raja Dahir was unable to hold of the ever-expanding Umayyad Caliphate. The most important and simplest answer is that Raja Dahir was the ruler of a small kingdom and he was facing off against one of the mightiest empires of his time.
Raja Dahir was the third Maharaja of the Chach dynasty. He kingdom comprised of Sindh and parts of Balochistan. Contrary to the statement within the question, Raja Dahir did not command huge armies. He ruled over a kingdom that comprised of Sindh and parts of Balochistan. It was no great empire.
Compare this to the Umayyad Caliphate. This was one of the most powerful empires of the era. This was an empire that had successfully been expanding in every direction. Raja Dahir wasn’t expected to win against the Umayyads. He was outmatched against a far more powerful empire. He was the underdog in this war.
Hajjaj had put more care and planning into this campaign than the second campaign.Al-Hajjaj gave Qasim command of the expedition between 708 and 711, when Qasim was only 15-17 years old, apparently because two previous Umayyad commanders had not been successful in punishing Sindh's ruler Raja Dahir for his failure to prevent pirates from disrupting Muslim shipping off the coast of Sindh. Al-Hajjaj superintended this campaign from Kufa by maintaining close contact with Qasim in the form of regular reports for which purpose special messengers were deputed between Basra and Sindh.[30] The army which departed from Shiraz under Qasim consisted of 6,000 Syrian cavalry and detachments of mawali (sing. mawla; non-Arab, Muslim freedmen) from Iraq.[30] At the borders of Sindh he was joined by an advance guard and six thousand camel cavalry and later, reinforcements from the governor of Makran were transferred directly to Debal (Daybul), at the mouth of the Indus, by sea along with five manjaniks (catapults).The army that eventually captured Sindh would later be swelled by the Jats and Meds as well as other irregulars who heard of the Arab successes in Sindh. When Qasim passed through the Makran desert while raising his forces, he had to subdue the restive towns of Fannazbur and Arman Belah (Lasbela), both of which had previously been conquered by the Arabs
The first town assaulted in Qasim's Sindh campaign was Debal and upon the orders of al-Hajjaj, he exacted retribution on Debal by giving no quarter to its residents or priests and destroying its great temple. From Debal, the Arab army then marched northeast taking towns such as Nerun and Sadusan (Sehwan) without fighting.One-fifth of the war booty including slaves were remitted to al-Hajjaj and the Caliph.The conquest of these towns was accomplished with relative ease; however, Dahir's armies being prepared on the other side of the Indus[a] had not yet been confronted.[30] In preparation to meet them, Muhammad returned to Nerun to resupply and receive reinforcements sent by al-Hajjaj.
In this series you will know all the details about his Origin early life career Relations with the caliphs & his Death and legacy.
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