Union Minister Ram Mohan Naidu addressed the Rajya Sabha about the Air India plane crash investigation. He stated that the Aircraft Accident Investigation Bureau follows a rule-based process. The AAIB is unbiased in its probe. Data from the plane’s black boxes has been successfully decoded in India for the first time. The preliminary report is out. Post navigation 103 cities show drop in PM10 levels under clean air programme; Mumbai leads among metros I&B panel OKs ‘Udaipur Files’, but no SC nod yet