 Varanasi 's water supply and sewage system is maintained by <unk> Nigam , a subsidiary of Varanasi Nagar Nigam . Power supply is by the Uttar Pradesh Power Corporation Limited . The city produces about 350 @,@ 000 @,@ 000 litres ( 77 @,@ 000 @,@ 000 imp gal ; 92 @,@ 000 @,@ 000 US gal ) per day of sewage and 425 tonnes ( <unk> long tons ; 468 short tons ) per day of solid waste . The solid <unk> are disposed in one landfill site . 
