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Rat-hole mining or Rat mining [1] is a process of digging employed in North East India to extract coal, where a narrow hole is manually dug by extraction workers. The practice is banned by the National Green Tribunal; [2] [3] however, the techniques are still employed by artisanal mining operations in several parts of India, especially in Meghalaya.
Rat-hole mining is a controversial practice that involves teams using hand-held drills in very tight spaces, while others remove muck and broken rock back down the shaft.
Though the initial attempts at a rescue were complicated because of the kinds of debris created in the collapse, the government brought in "rat-hole" miners who were able to use manual mining methods to get an access pipe to the trapped workers. [9] All 41 workers were rescued, and the collapse triggered a safety audit of other tunnels in the area.
‘Rat-hole miners’ appear to have played key role in final breakthrough to reach 41 trapped construction workers
[1] [2] [3] The miners were trapped inside the coal mine at a depth of around 370 feet (110 meters) in Jaintia Hills district after digging with the rat-hole mining technique. The tunnel the miners were in flooded with water after they cut into an adjacent mine which was full of water from the nearby Lytein river. [4] [5] [6]
In 2018, 15 men involved in rat-hole mining in Meghalaya were killed after they became trapped for days due to flooding. After rescue work stretching on for around two months, only two bodies ...
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