India, Oct. 1 -- Delhi residents will soon know exactly who is responsible for fixing a sewer problem in their area, as the Delhi Jal Board has approved a Rs 17,969.93 crore, 10-year programme to overhaul sewer maintenance across the city through a new "One Zone, One Operator" model.

Under the system, Delhi will be divided into eight zones, with one operator responsible for the entire sewer network in each zone, including sewer lines, maintenance holes, pumping stations and complaints. The model shifts from reactive, complaint-based repairs to planned preventive maintenance, with geo-tagged inspections and real-time monitoring through a central command centre, along with 100 per cent mechanical and robotic sewer cleaning.

Delhi Water Mi...