Section 218(6) in The West Bengal Motor Vehicles Rules, 1989
(6)A radio set, gramophone or microphone, tape recorder/cassette recorder, video set or any other apparatus to display any object on the screen with provision for amplification of human voice may be provided and operated in tourist coach or de-luxe buses covered under a Contract Carriage permit in a tourist vehicle, tourist motor cab or in any omnibus including a Private Service Vehicle or an educational institution bus or long distance inter-regional stage carriages subject to the approval of the Transport Authority granting the permit and shall be securely placed facing the passengers, on the partition in between the driver's cabin and passengers' compartment and shall be so arranged that the display on the screen or the sound or both are not visible or audible to the driver.
