NHPC’s own 2024 paper recorded gas fires in Teesta-VI tunnels before fatal blast
Rescue operation underway after a collapse inside the under-construction NHPC Teesta Stage VI Hydroelectric Project tunnel, in Namchi, on, July 21, 2026. | Photo Credit: PTI Flammable gas had been encountered repeatedly, and had caught fire more than once inside the headrace tunnels of the Teesta Stage-VI hydroelectric project in the years before the explosion,…
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