Kathmandu. The residents of Kathmandu Valley will have to rely on alternative sources this monsoon as well due to the delay in the construction of the permanent headworks of the Melamchi Water Supply Project.Although the government has made a conceptual decision to build new headworks, the work has not yet started. Therefore, preparations are being made to close the Melamchi tunnel during the monsoon, diverting water from the Rebarma and Bagmati sources to protect the tunnel.A cabinet meeting held in Jestha 2081 BS had given conceptual approval to the Ministry of Water Supply to construct new structures at a suitable...