Delhi smog disrupts flights: Can CAT III technology help land planes in low visibility?
Hundreds of flights were delayed and more than 20 were diverted at the Indira Gandhi International (IGI) Airport in Delhi ...
Delhi air pollution: AAP seeks Centre's nod for artificial rain, urges PM Modi to intervene as AQI remains 'severe plus'
Gopal Rai also sought the intervention of Prime Minister Narendra Modi in tackling the issue of air pollution.