Indian Railways started the Auto Upgradation scheme Indian Railways has thoughtfully launched this Auto Upgradation scheme for its own benefit. This ensures that no seat on the train remains vacant. In fact, in many trains, berths in upper class coaches like AC-One, Two or Three were often vacant. This caused huge loss to the Railways.
To avoid this loss and to make passengers aware of the facilities of upper class coaches, Railways has started these auto upgrade rules. Berth in upper class by upgrading a passenger in lower class Under this auto upgrade scheme of Railways, if any berth in the upper class is vacant, then the class of the passengers below will be upgraded and berth will be provided in that class.
For example, if four seats are vacant in AC First coach and two seats are vacant in Second AC coach of a train, then tickets of some Second AC passengers will be upgraded and put in First AC. Also, third AC passengers will be upgraded and given seats in second AC.