India, March 11 -- The Delhi government on Tuesday said it shortlisted 22 innovations to tackle air pollution from the 284 ideas it received as part of the "Innovation Challenge" organised by the government in October last year.

The ideas were submitted by individuals, researchers and expert institutes.

While chairing a review meeting to assess the challenge's next steps, Delhi's environment minister Manjinder Singh Sirsa said these 22 ideas will now be prepared for on-ground trial runs and tested at pollution hotspots in the Capital.

"In the coming weeks, we will rigorously measure the effectiveness of these innovations in reducing particulate pollution and other key parameters," said Sirsa.

Sirsa said that in recent weeks, the gover...