Complex sentence: The claim at that time of kshatriya status was being made by the Arya Samaj, which was popular in the Jat community, who saw it as a means to counter the colonial belief that the Jats were not of Aryan descent but of Indo-Scythian origin.
Split into simpler sentences: The claim at that time of kshatriya status was being made by the Arya Samaj, which was popular in the Jat community. The Arya Samaj saw it as a means to counter the colonial belief that the Jats were not of Aryan descent but of Indo-Scythian origin.