Expert Team Widens Mouth Of Rishiganga Lake By 15 Feet; Will Enable Faster Drainage And Prevent Repeat Tragedy Source: Oneindia The 30-member expert team has widened the mouth of the lake that was formed upstream Rishiganga river by 15 feet, Hindustan Timesreports. This lake was formed by flash floods caused in Chamoli district in Uttarakhand. State Disaster Response Force (SDRF) commandant Navneet Bhullar mentioned that the lakeâs mouth widening has led to quicker drainage and it will prevent another occurrence of a similar tragedy. Bhullar added, âIn a daring effort, the team has widened the mouth of the lake in a very difficult terrain, which has increased the discharge from the lake. Due to this, the chances of lake burst or Chamoli-like tragedy happening again have been averted. And our team members are still camping there to try to widen the mouth further.â