“With the aim to combat indoor air pollution, cinema exhibition company PVR Ltd on Monday rolled out its “clean air theatre” concept by launching the “Audit-Air-Ium” theatre here. The company will revamp and retrofit the central air purification systems powered by Nirvana Being to combat indoor air-pollution. PVR ‘Audit-Air-Iums’ will be installed across Delhi NCR, Mumbai, Bengaluru and Hyderabad.” Financial Express

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Deadly air pollution: PVR launches smog-free auditorium in Delhi