On the 3 March 1977 the Chhattisgarh Mines Shramik Sangh (Chhattisgarh Mines Workers' Union) was founded by Shankar Guha Niyogi.
Den 3 mars 1977 grundades Chhattisgarh Mines Shramik Sangh (Chhattisgarhs Gruvarbetarförbund) av Shankar Guha Niyogi.