Incident occurred on Monday in Sikkim, where workers were constructing a tunnel for a state-run hydropower project; official says around 25-27 people trapped.

Twenty-seven workers are trapped inside a Sikkim tunnel after a landslide blocked its entrance. Rescue operations are complicated by a suspected gas leak, affecting personnel.…

The tunnel is a part of the National Hydroelectric Power Corporation’s (NHPC) Teesta Stage VI hydroelectric power project | India News