Rupandehi, Feb. 8 -- For years, the Butwal Sub-metropolis has been disposing of its garbage on the banks of Tinau River for lack of a dumping site. Once a certain area of the bank is filled with garbage, it gets encroached upon, and there sprouts a settlement.

Hattisudh, in Ward No. 11 of Butwal Sub-metropolis, for instance, was a deserted area just about seven years ago, with its ground inundated by floods over the years. Then in 2015, the sub-metropolis started dumping its garbage in the area. The site is now filled with garbage with a settlement built over it.

"Wherever there's a space covered with garbage and mud, there emerges a settlement," said Suresh Gautam, an official with the sub-metropolis' garbage management unit. "Currentl...