About GMDCL :
GMDC was incorporated on 15th May 1963 to develop major mineral resources in the State and started with a Silica Sand quarrying plant near Surajdeval for crushing and screening of Silica Sand required for Glass Industry.Fluorspar Mining lease at Ambadungar, Dist. Chhotaudepur has been allotted to GMDC in 1964 and erection work of Fluorspar Beneficiation Plant was started in 1967. which was commissioned in 1971 to process 500 TPD Fluorspar ore to produce Calcium Fluoride concentrate, which is a raw material for manufacturing of Hydrofluoric Acid, Refrigerant gases, Aluminium fluoride, Synthetic Cryolite, Fluorine Chemicals and Flux in Metallurgical Industries.Bauxite mining was started as a scarcity work in 1964 at Dist. Kutch. Further, the Bauxite Mining operation was then expanded to eight operating mines (Gadhsisa Group of Mines) that produces Bauxite which is the raw material for metallurgical and non-metallurgical uses.