The Department of Mines & Geology, Government of Andhra Pradesh invites online bids for the e-auction of 2 Limestone Mining Leases and 9 Composite Licences for Iron Ore, Manganese, and Diamond blocks under NIT No. 3273739/NIT-T(2)/2026; tender documents are available from 16.06.2026 onwards via MSTC Limited or verified by contacting Sri G. Srinivas Chowdhary at 9100688811.