'Absence of sewer networks in unauthorised colonies cause of Yamuna pollution'

New Delhi: Absence of sewer networks in over 1,500 unauthorised colonies and slums in Delhi is one of the major reasons of pollution in the Yamuna, according to the monitoring committee overseeing the cleaning of the river.

The committee has directed authorities to come up with a plan for preventing pollution from these sources and for proper disposal of faecal sludge and other wastes, according to an action plan for rejuvenation of the Yamuna river, prepared by the body.

The National Green Tribunal had in July formed the monitoring committee and directed it to submit by December 31 an action plan on cleaning of the river.

NGT Chairperson Justice A K Goel appointed the retired expert member B S Sajwan and former Delhi chief secretary Shailaja Chandra as members of the committee, while directing them to the submit the action plan and detailed report.