India, Feb. 28 -- At least 11 illegally operating water-polluting jeans dyeing and washing units have been sealed by the Municipal Corporation of Delhi, as part of an aerial drone survey in the department's west zone, officials said. The survey was conducted from February 16 to 20.

It was carried out using Unmanned Aerial Vehicles (UAVs) in Khyala, Vishnu Garden, Ranhola, Baprola, and Bindapur. "Eleven water-polluting units were sealed, and electricity connections were disconnected to prevent the resumption of operations. The total number of units sealed by the West Zone has reached 88 in the last three months," an MCD official said.

The joint enforcement drive involving MCD officials, the Delhi Pollution Control Committee (DPCC), Delhi...