India, Nov. 19 -- The Delhi Jal Board (DJB) is set to conduct a year-long study of the discharge flow and monitoring the water parameters in Najafgarh and Shahdara drains and other interstate drains flowing into them, officials said on Tuesday.

"We plan to install flow metres to measure the discharge of these drains. The study aims to ensure effective abatement of pollution and rejuvenation of Yamuna by adopting a river basin approach. A tender has been issued for the project," a DJB official said.

The study will also measure the amount of discharge entering into the larger drains like Najafgarh, Shahdara, and the Supplementary Drain, which are major contributors to the pollution load in the river. Some interstate drains that stretch ac...