Govt. MantraMines Secretary V L Kantha Rao Reviews Functioning of Hindustan Copper Ltd in KolkataNewsmantraNovember 10, 2023November 10, 2023 by NewsmantraNovember 10, 2023November 10, 20230 Shri V L Kantha Rao, Secretary, Ministry of Mines, visited the Corporate Office of Hindustan Copper Limited (HCL) in Kolkata yesterday to review the activities...