NEW DELHI: The Railways today launched an integrated mobile application to cater to various passenger requirements, including ticket booking, inquiry, on-board cleaning and ordering meal on a single platform.The app -- Rail SAARTHI -- was launched here by Railway Minister Suresh Prabhu Currently there are multiple mobile app by the Railways. To use different services, users need to search and download each application separately.In order to provide better customer experience, there was a need for an integrated application which could give a single window interface for these services, Prabhu said after launching the app.The Rail SAARTHI (synergised advanced application rail travel help and information) such as safety for women, complaint facility and suggestion for improvement, he said.One can also book air ticket through the app and give feedback.Prabhu also announced a quota facility for differently- abled people in 3AC coach and extending the advance booking period for foreigners to 365 days from present 120 days.Now a lower berth in a 3AC coach will be reserved for physically-challenged people and the middle for the individual accompanying them.However, there will be only one such berth in the 3AC coach of a train.Until now the quota provision was only in the sleeper class -- 2 berths -- which has now been extended to the 3AC as well.