India, Oct. 23 -- New Delhi

The Delhi Jal Board (DJB) has decided to shelve around 20 decentralised sewage treatment plant (DSTPs) due to delays and land availability issues, bringing down the number of such planned facilities from 56 to 36 that are aimed at improving water flow into the Yamuna, the board said in a report.

The revision in plan comes in the wake of technical, financial and land availability issues, along with the new gap analysis carried out over the last four months, officials said.

The DJB said in its report, "... while 56 DSTPs were initially the SMP-2031, a thorough techno-economic reassessment and land feasibility study led to their strategic rationalization to 40 optimized locations. Pursuant to the Gap Analysis u...