India, Sept. 13 -- After decades of delay, abandoned drafts, and monsoon chaos, Delhi has finally completed a new drainage master plan - nearly half a century after the last one was prepared in 1976, officials aware of the matter said.

The ambitious plan, finalised by the Public Works Department (PWD), seeks to build a climate-resilient, technologically advanced stormwater system that can withstand extreme rainfall, rapid urbanisation, and the Capital's swelling population, officials aware of the details in the plan said.

"The project has been developed with the help of consultants using advanced tools such as ArcGIS, SewerGEMS and SWMM. It integrates the city's drains, water bodies, wetlands and parks to optimise infrastructure and str...