India, April 7 -- Delhi's environment minister Manjinder Singh Sirsa held a review meeting on Monday and directed agencies to fast-track testing of 22 innovations shortlisted under the government's 'Innovation Challenge' to tackle air pollution.

Of the 284 innovations, 22 ideas have been shortlisted for on-ground testing as potential solutions to improve air quality.

"Agencies must move swiftly in approving site permissions, arranging vehicles and providing power connectivity. Timely trial runs are critical in providing Delhi with evidence-based, deployable solutions for cleaner air," Sirsa said.

Officials from the Delhi Transport Corporation (DTC), New Delhi Municipal Council (NDMC), Municipal Corporation of Delhi (MCD), Delhi Fire Se...