Write a question about the following article: The Hindus were found mainly in Jammu Division, where they constituted a little less than 60% of the population. In the Kashmir Valley, the Hindus represented "524 in every 10,000 of the population (i.e. 5.24%), and in the frontier wazarats of Ladhakh and Gilgit only 94 out of every 10,000 persons (0.94%)." In the same Census of 1901, in the Kashmir Valley, the total population was recorded to be 1,157,394, of which the Muslim population was 1,083,766, or 93.6% and the Hindu population 60,641. Among the Hindus of Jammu province, who numbered 626,177 (or 90.87% of the Hindu population of the princely state), the most important castes recorded in the census were "Brahmin (186,000), the Rajputs (167,000), the Khatri (48,000) and the Thakkars (93,000)."
Which was the caste of Hindus with the smallest population in Jammu province?