State-owned Hindustan Copper Limited (HCL) announced the appointment of Umesh Singh as Executive Director (Mining), with effect from September 18, 2023. According to the company’s exchange filing, “It is informed that shri umesh singh has joined as Executive Director (Mining), Hindustan Copper Ltd (HCL) on 1B.9.2023 in terms of enclosed office order No. Estt ./2/6311…