Methane blast traps 25 NHPC workers, 15 die in Sikkim rescue crisis
On July 20, 2026, a methane gas explosion trapped 25 workers inside NHPC's under-construction head race tunnel for the Teesta State-VI Hydroelectric Project in Sikkim. By July 22, 15 had died; rescue operations continued with assistance from multiple agencies despite challenging conditions caused by mud and water accumulation. NHPC announced ₹5 lakh ex gratia payments to families of the deceased.
22 JUL 2026
— Indian Express
A tunnel blast at a hydroelectric project in Sikkim killed 22 people and trapped three more, prompting ongoing rescue efforts.
23 JUL 2026
· THIS STORY — The Hindu
The death toll from a methane gas explosion in a tunnel under construction for the Teesta State-VI Hydroelectric Project in Sikkim rose to 15 as rescue efforts continued.
— NDTV
All 25 bodies have been recovered from the collapsed tunnel in Sikkim after a suspected methane gas explosion.
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