The first train from Delhi to Gaya is 12312 - NETAJI EXPRESS departing at 06:15 AM from Old Delhi Railway Station(DLI).Some popular weekly trains on Delhi to Gaya train route are 12816 - NANDANKANAN EXP, 12324 - BME HWH SF EXP, 12314 - SEALDAH RAJDHNI. Every Monday 12816 - NANDAN...