Sir — This refers to the editorial, “Up in the air” (January 22). The reason why India does not permit mobile phones as well as Internet connectivity in the Indian airspace is for the fear that both could interfere with critical aircraft systems. But things could soon change with the Telecom Regulatory Authority of India’s recommendations that would allow Internet connectivity inside the aircraft. As far as usage of mobile phones inside the aircraft is concerned, this is best left for individual airlines to decide since mobile phones could disrupt the usually quiet atmosphere inside flights.