Prime Minister Narendra Modi will inaugurate six mega projects in Uttarakhand under the Namami Gange Mission through video conference at 11 am on Tuesday. The projects include construction of a 68 MLD sewage treatment plant (STP), up-gradation of the existing 27 MLD plant at Jagjeetpur in Haridwar and construction of an 18 MLD STP at Sarai in Haridwar.