The Economic Times. Two new Vande Bharat sleeper trains are planned to connect Delhi to Varanasi and Mumbai to Bengaluru. The Mumbai-Bengaluru service will operate from November 1, coinciding with Karnataka Rajyotsava. Railways will introduce two Vande Bharat sleeper train services on Mumbai-Bengaluru and Delhi-Varanasi shortly. The Mumbai-Bengaluru service is expected to be inaugurated on October 31.