2310 Patna Rajdhani departed timely from New Delhi and running alone without its customary partners Howrah & Sealdah Rajdhanis..
Same thing happened last year winter..
2310 Patna Rajdhani - Departed timely at 17:15
2306 Howrah Rajdhani - Rescheduled to depart 4:20 hrs late at 21:15
2314...
more... Sealdah Rajdhani - Rescheduled to depart 5:15 hrs late at 21:40