Dhaka, Feb. 19 -- The Indian government has reminded air travelers to use headphones while flying to avoid potential legal trouble. Passengers who play music out loud on aircraft may face penal action for "unruly behavior," Minister of State for Civil Aviation Murlidhar Mohol said in parliament recently.

Mohol added that authorities would act on complaints from crew or other passengers, in response to a question from a member of parliament. No new rules are being introduced, but existing regulations under the Directorate General of Civil Aviation (DGCA) empower airlines to handle disruptive conduct.

DGCA Civil Aviation Requirements (CAR) state that any unlawful or disruptive behavior on board that "interferes with the performance of dut...