India, July 10 -- After being pulled up by the Delhi high court for supplying contaminated water, the Delhi Jal Board (DJB) has begun replacing decades-old pipelines in several east Delhi localities, including Yojna Vihar, Jagriti Enclave, Shanti Mohalla, Jhilmil Industrial Area, Dilshad Garden, Gandhi Nagar, and IP Extension. The water utility had earlier faced similar criticism for sewage-contaminated supply in parts of west Delhi.

The issue of an ageing water network is not confined to a few areas. Tenders for pipeline replacement in over 70 localities have been floated in the past month.

A senior DJB official said the utility is exploring the possibility of engaging international agencies like the Japan International Cooperation Age...