Analysis of information sources in references of the Wikipedia article "குச்லுக்" in Tamil language version.
From here Küchlüg proceeded to Khotan, and seized that country ; whereupon he compelled the inhabitants to abjure the religion of Mohammed, giving them the choice between two alternatives, either to adopt the Christian or idolatrous creed or to don the garb of the Khitayans. And since it was impossible to go over to another religion, by reason of hard necessity they clad themselves in the dress of the Khitayans.