Analysis of information sources in references of the Wikipedia article "판차야트" in Korean language version.
... these popular courts are first mentioned by Yajnavalkya and then by Narada, Brishaspati, Somadeva and Sukra. These writers covered a period of about a thousand years, c. 100 to 1950 A.D., and they could not have mechanically referred to the popular courts if they were not actually functioning ...