Ajjanahalli Gold Mine is in Sira taluk, Tumkur Dist. and is situated 75 kms from Chitradurga Gold Unit. The area is explored by GSI & HGML has got Mining Lease (ML No: 2243, period: 22.10.1998 to 22.10.2018). HGML has carried out open cast mining during 1995 to 2002. Subsequently, it was suspended due to non-viability during 2002. i.e., encountering of un-oxidized ore. It is planned to carry out further detailed exploration by diamond drilling and mining. Feasibility studies & associated statutory works are in progress for taking up the exploration & mining.