Teesta Urja, the second biggest run-of-the-river hydro power project in India, suffered massive damage due to flood caused by the breach in Lhonak lake in north-west Sikkim on the intervening night of Tuesday and Wednesday. The 1,200 MW power project on Teesta river, one of the most dammed rivers in the country, is located between Chungthang and Mangan in Mangan …