What are Uttarakhand floods 2021?

On February 7, 2021, a portion of the Nanda Devi glacier broke off releasing the water trapped behind the ice, creating an avalanche and deluge that quickly turned into flash floods in Uttarakhand's Chamoli district.

 

The glacier burst generated a sudden flood in the middle of the day in the Dhauli Ganga, Rishi Ganga, and Alaknanda rivers — all intricately linked tributaries of the Ganga — triggering widespread panic and large-scale devastation in the high mountain areas.

Two power projects in progress  — NTPC’s Tapovan-Vishnugad hydel project and the Rishi Ganga Hydel Project — were extensively damaged with several labourers trapped in