Rat-Hole Mining

Source:  TH Context: Recently, the tragic loss of lives in a flooded rat-hole coal mine in Assam’s Dima Hasao district reignited the debate on the persistence of illegal mining and its consequences. About Rat-hole Mining: What it is: Rat-hole mining involves digging narrow tunnels, barely large enough for workers to crawl in, to extract coal …

  Rat hole mining

Facts for Prelims (FFP)   Source: Live Mint  Context: In the rescue operations for the collapsed Silkyara tunnel in Uttarkashi, rat miners played a crucial role in completing the drilling process. Rat-hole mining, a method of manual drilling common in Meghalaya, involves skilled workers digging narrow pits just wide enough for one person. The term …