India, March 2 -- Delhi Environment Minister Manjinder Singh Sirsa on Saturday said that all high-rise buildings, hotels, commercial complexes and major establishments such as airports and construction sites must install anti-smog guns to curb air pollution levels. Sirsa directed all departments concerned to prepare a detailed roadmap to tackle pollution and sought data on the contribution of key sites, including Delhi Airport, to the city's air pollution.

"There are some big hotels, some big office complexes, Delhi airport, and big construction sites in Delhi. We are going to make it mandatory for all of them to immediately install anti-smog guns to control pollution at their places. We are going to make it mandatory for all the high-rise...