Mine-Changing As the sector transforms, it faces new challenges  Blast From the Past Back then, it was exploitative, almost inhuman Digital Mining The mines of tomorrow will be smart, connected, and require minimal manual intervention  Column Santosh Sharma, CMD, Hindustan Copper, on the new corporate vision  Cover Story Sunil Duggal, CEO, Hindustan Zinc, on the plans to digitise the mines Interview N. Baijendra Kumar, CMD, NMDC, presents a new blueprint  Interview T.K. Chand, CMD, NALCO, on global and domestic challenges for his company