Regarding the disaster that occurred in February 2021 in Chamoli district of Uttarakhand, which of the following statements is/are correct? 1. A part of a glacier broke off, resulting in a flash flood. 2. There was a sudden surge in the flow of the Niti valley, Rishiganga and neighbouring rivers. 3. Both the Tapovan-Vishnugad hydel project and the Rishiganga hydel project suffered serious damage. Select the correct answer using the code given below: