Analysis of information sources in references of the Wikipedia article "Dahir of Aror" in English language version.
Playing along the same ideological lines of trying to build a historical narrative on how Muslims fought against the cruel Hindus, it talks of how Muhammad Bin Qasim, the general of Umayyad Caliphate who fought against the last Sindhi Brahmin king called Raja Dahir.
When Muhammad-bin-Qāsim plundered the place Arora in 712 and defeated Rājā Dāhar, who belonged to the Arorā dynasty, the Arorā people left Sind and settled in the Punjāb cities, situated on the banks of the rivers Sind, Jhelum, Cenāb and Rāvī.