A tunnel accident at an under-construction hydropower project in Pipalkoti, Uttarakhand’s Chamoli district, left 22 workers trapped after water and debris suddenly entered the tunnel on Thursday evening, August 13. Initial reports said six workers had died and 14 were injured after 20 workers were brought out. However, the latest official update reported seven deaths, with 14 workers rescued and one still unaccounted for.
The incident occurred at a tunnel being constructed for the Tehri Hydro Development Corporation Limited’s (THDC) Vishnugad-Pipalkoti Hydroelectric Project, with construction being carried out by Hindustan Construction Company (HCC). Rescue teams from the National Disaster Response Force (NDRF), State Disaster Response Force (SDRF), Army, Indo-Tibetan Border Police (ITBP), police and Central Industrial Security Force (CISF) were deployed as the operation continued. Uttarakhand Chief Minister Pushkar Singh Dhami directed agencies to carry out rescue operations on a war footing and ensure medical treatment for the injured.
Water And Debris Rushed Into Tunnel
The accident was reported at around 7 pm on Thursday at the Mayapur area of Pipalkoti, where workers were carrying out construction inside a roughly 2-km-long Tail Race Tunnel associated with the hydropower project. According to officials, a cavity formed around 1.4 km inside the tunnel, apparently following a landslide above the tunnel alignment, allowing a sudden rush of water, slush and debris to enter the work area.
The force of the inflow trapped workers who were on the 2 pm to 10 pm shift. NDRF team commander Amrit Lal Meena said rescuers encountered water reaching chest height when they entered the tunnel and used specialised equipment to reach the affected area. Rescue personnel managed to bring several workers out, while pumps were deployed to remove the water and allow teams to search deeper inside. The 14 rescued workers were taken to hospitals in Gopeshwar for treatment. A senior THDC official said pumping operations were under way to flush the water from the tunnel, while the search for the missing worker continued.
Rescue Efforts Intensified
The accident has once again drawn attention to the risks faced by workers involved in major infrastructure projects in Uttarakhand’s mountainous terrain. The Vishnugad-Pipalkoti project, being developed on the Alaknanda River, involves extensive underground construction, including a 13.4-km head-race tunnel and a 3.04-km tail-race tunnel.
THDC’s project information shows that a substantial portion of the tunnel excavation has already been completed, highlighting the scale and complexity of the work taking place underground. Rescue operations following Thursday’s incident began with local emergency teams, police and the CISF before additional personnel from the Army, ITBP, NDRF and SDRF were brought in. Chamoli District Magistrate Gaurav Kumar visited the site and oversaw the response.
Chief Minister Dhami also held an emergency meeting with senior officials and said agencies had been instructed to work on a war footing. Disaster Management and Rehabilitation Secretary Vinod Kumar Suman said the situation was being closely monitored from the Emergency Operations Centre and that additional forces would be deployed if required. The changing death and rescue figures during the operation underline the difficulty of establishing the exact toll while teams continue working inside a hazardous, water-filled tunnel.
The Logical Indian’s Perspective
The deaths in Chamoli are a painful reminder that the people who build the country’s roads, tunnels, power projects and other infrastructure must never become an afterthought in the race for development. Every worker entering a tunnel should be able to trust that safety assessments, emergency exits, monitoring systems, protective equipment and evacuation plans are more than paperwork.
At the same time, the immediate priority must remain the safe recovery of the worker who is still unaccounted for, along with proper medical care and support for those who survived and meaningful assistance for the families who have lost loved ones. Determining exactly how the cavity formed and whether adequate safeguards were in place should follow through a transparent and credible investigation, without rushing to conclusions or assigning blame before the facts are established.
Development and worker safety should not be treated as competing priorities; responsible development must protect both. As rescue teams continue their difficult work, what more can be done to ensure that every worker who enters a hazardous construction site can return home safely?
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#WATCH || Chamoli: Uttarakhand CM Pushkar Singh Dhami (@pushkardhami) visits the under-construction tunnel at a hydroelectric project site, where seven workers died after water gushed inside.#Chamoli #Uttarakhand #PushkarSinghDhami #TunnelAccident #RescueOperation… https://t.co/LdIL6INh2j pic.twitter.com/L9pggWi3Iw
— All India Radio News (@airnewsalerts) August 14, 2026
