The disaster response forces, the police and the fire brigade are conducting rescue operations.
At least 36 workers were trapped after a portion of an under-construction tunnel on the Brahmakhal-Yamunotri national highway in Uttarakhand collapsed in the early hours of Sunday.
No casualties have been reported so far.
The incident took place at around 4 am between Silkyara and Dandalgaon villages in the state’s Uttarkashi district, PTI reported.
