Teesta Stage VI Hydropower Project Explosion Kills Workers

6 UPDATES · 3 DAYS · 21 JUL 2026 — 23 JUL 2026

AssamJharkhandWest BengalUttarakhandNarendra ModiPunjabSikkimSP

Latest · 23 Jul 2026

All 25 bodies have been recovered from the collapsed tunnel in Sikkim after a suspected methane gas explosion.

What this timeline covers

This event covers the tunnel collapse at the NHPC Teesta Stage VI Hydroelectric Project in Samardung, Sikkim, including reactions, analyses, and follow-up developments related to the incident. It excludes other actions or incidents involving the Sikkim government, NHPC, or national leaders unless they are directly related to the tunnel collapse and its aftermath.

The full story, from the beginning

21Jul

STORY BEGINS — The Hindu

Sikkim CM Reports 8 Dead, 27 Trapped in Teesta Tunnel Collapse, Modi Offers Help

NDTV

At least 20 workers died and five remain trapped after a methane gas explosion at the NHPC Teesta Stage VI Hydropower Project in Sikkim.

22Jul

NDTV

Rescue operations recover 13 bodies from collapsed Sikkim tunnel; postmortem reveals deaths due to asphyxiation and burns from methane gas explosion.

Indian Express

A tunnel blast at a hydroelectric project in Sikkim killed 22 people and trapped three more, prompting ongoing rescue efforts.

23Jul

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.

LATEST UPDATE — NDTV

All 25 bodies have been recovered from the collapsed tunnel in Sikkim after a suspected methane gas explosion.

Awaiting next development