After a tedious 11-year wait, the excavation of the Reservoir Branch, an important canal linking the River Indus with the Haleji Lake, has finally been initiated. The Reservoir Branch was once the biggest reservoir for Karachi but after a scuffle with the Sindh Wildlife Department, the Karachi Water and Sewerage board (KWSB) had opted to siphon water from an alternate source, the Gujjo minor.