[Solved] Kolar fields is a major mine of which of the ...
2018-2-18 · The Kolar Gold Fields is located are in the Kolar District of Karnataka. The mines were nationalized in 1956 and were closed in 2001 due to environmental, pricing, and lack of investments. It was operated by the Bharat Gold Mines Limited (BGML), a public sector undertaking. The KGF was the world’s second deepest gold mine at a depth of 3,000 ...