Everything that happened in Sikkim Tunnel Collapse

NHPC announced Rs 5 lakh ex-gratia for kin of each deceased in Sikkim tunnel collapse.

The collapse occurred at the Teesta Stage-VI Hydroelectric Project, trapping 25 personnel.

of 25 trapped individuals have been found dead after a suspected methane gas explosion.

Rescue operations continue at the site.

Around 27 workers are trapped in a tunnel in Sikkim after a landslide sealed the entrance.

A suspected gas leak inside the tunnel has hampered rescue efforts.

Rescue personnel reported dizziness and loss of consciousness due to the gas.

The incident occurred in the state of Sikkim, India.

workers were trapped inside an under-construction tunnel of NHPC's Teesta Stage VI hydroelectric project in Sikkim after landslides on July 21, 2026.

The incident occurred at Samardung in Namchi district around 3:40 pm.

Initially 43 workers were inside the tunnel; 16 managed to escape safely.

workers from Patel Engineering LTD and 6 from NHPC were at the site; two rescue workers also got trapped.

Three rescue attempts failed due to bad weather and terrain conditions.

At least 20 workers died after a tunnel under construction collapsed in Sikkim's Namchi district due to a suspected methane gas explosion.

Five workers remain trapped for over 24 hours as rescue operations continue.

The collapse occurred following an explosion of suspected methane gas, according to a police officer.