Keeping passenger experience in mind, Indian Railways has introduced smart window feature. The railways has installed this smart window in New Delhi-Howrah Rajdhani train. This feature enables glass window to turn glass from transparent to opaque state by click of a switch. It also cuts UV radiation and act as privacy glass.
Indian Railways has been consistently providing facilities in trains to improve the passenger experience. , The smart window ensures privacy of passengers during the journey. As an experiment, the smart windows have been installed in the AC1 coach of the New Delhi-Howrah Rajdhani train.