The Full form of TT is Travelling Ticket Examiner. TT examiner is an employee in Indian railway who examines passenger tickets during the journey in trains. The cadre of Travelling Ticket Examiner falls under the control of Indian Railway Traffic service (IRTS) cadre of officers in Indian Railways. The TTE is usually dressed in black uniform (black pant and blazer) with his name and designation on a badge over it. Typically a Travelling Ticket Examiner is in charge of about 5-6 coaches for the entire journey in case of small distances and for long distances, a new TTE takes over at different stations. The responsibilities of TT examiner includes verifying the tickets of all the passengers present in the coach, to mark whether a passenger is available in the train or not, to lock the coaches from inside during night, to give first aid to a passenger in case of medical emergency, allocation of seats to passengers who are in waiting list, make fine slip to passengers who don’t have a ticket.