NEW DELHI: In a major step to reduce pollution in the Yamuna River, the Delhi Jal Board on Saturday approved a project to lay 575 kilometres of sewer line in unauthorised colonies in the national capital. Sewer lines will be laid in Shahbad, Sangam Vihar, Jafarpur, Galibpur, Sarangpur, Goyal Vihar, Kilokri, Kanganheri and Dichaol group of colonies, it said.
There are 1,799 unauthorised colonies in the national capital.
