Uttarkashi Tunnel Rescue Ops | Can The Trapped Workers Be Rescued In Uttarakhand? | News | N18V As many as 40 workers are still trapped under the debris of the collapsed under-construction tunnel between Silkyara and Dandalgaon on the Brahmakhal-Yamunotri National Highway in Uttarakhand's Uttarkashi. More than 90 hours have passed since the incident was first reported on Sunday, following a landslide.