Security personnel at work contained in the tunnel rushed out and heavy machines engaged in drilling by means of the particles and sludge inside have been withdrawn.
Chamoli District Magistrate Swati S Bhadauria mentioned work has been temporarily halted as a precautionary measure.
The Dhauli Ganga merges with the Alaknanda river system.
On Sunday, a glacier burst at Joshimath in the state’s Chamoli district triggered an avalanche and a deluge in the Alaknanda river system that wreaked havoc and washed away hydroelectric stations. The demise toll stands at 34 with a number of companies racing in opposition to time to achieve 25-35 employees trapped inside a tunnel at the ability challenge web site.