Hutti Gold Mines Company Limited (HGML), Government of Karnataka Undertaking (Established in 1947 as Hyderabad Gold Mines), has the unique distinction of being the only producer of primary gold in the country. HGML has been active in the exploration, development and exploitation of gold deposits occurring in Karnataka. The Company's Corporate Office is situated in Bangalore and it operates two units-The Hutti Gold unit (HGU) ,in Raichur district and the Chitradurga Gold Unit (CGU) in Chitradurga district with an operating mine at Ajjanahalli (Tumkur District) .HGU is a fully integrated unit with a capacity to produce 5,50,000 tonnes per annum.
The HGML currently processes ore from Hutti Gold Mine and two satellite mines at Uti (opencast) and Hira-Buddinni (Exploratory underground mine). Major expansion including the extended capacity of the metallurgical plan in phased manner, is also under consideration .However,CGU's operations for gold mining and processing ore temporarily suspended and the company has diversified into wind form project and as established 9.3 MW in its leased premises.