Brindavan Express - ರೈಲು ಹೆಸರು ಬೃಂದಾವನ್ ,ಇದು ಯಾವಾಗಲೂ Number 1 - Vijay Baradwaj

Can anyone Explain that what happened to Delhi-Howrah Line? Any mishap or what? Because the trains are running horribly late:-
12274 HWH DUR EXP Dep date:- 08/12/15, Status:- 12hrs late (542 kms to go)
12303 POORVA EXP Dep Date:-08/12/15, Status:- 11hrs Late(447kms to go)
12311 HWH DLI KALKA MAIL Dep Date:-08/12/15, Status 54mins Late(690kms to go) (Abhi to thik hai aagey kya hoga...
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pata nahi)
12301 KOLKATA RAJDHANI EXP Dep Date:08/12/15, Status:- 5hrs Late (338Kms to go)
12259 SDAH AC DURONTO EXP Dep Date:-07/12/15, Status:- 10hrs Late(At Dest)
12878 RNC GARIB RATH Dep Date:-08/12/15, Staus:- 11hrs Late (807kms to go)
22823 BBS RAJDHANI EXP Dep Date:- 08/12/15, status:- 4hrs late(384kms to go)
12259 SHIV GANGA SF EXP Dep date:- 08/12/15, Status:- 6hrs late (168kms to go)
12275 ALD DURONTO EXP Dep Date:- 08/12/15 Status:- 6h 30min Late (29kms to go)
12440 RNC RAJDHANI EXP Dep Date:- 07/12/15 Status:- 4hrs late (At dest)
VERY PRESTIGIOUS TRAINS FROM OTHER ROUTES Running Late are:-
12951 BCT RAJDHANI EXP Dep Date:- 08/12/15 Status:- 3hrs 30mins Late (At Dest)
12953 AUGUST KRANTI RAJDHANI EXP Dep Date:- 07/12/15 Status:- 6hrs 30mins Late (At Dest)
Trains on Some routes running Bang on time are:-
12432 TVC RAJDHANI Dep Date:- 07/12/15 Status:- On time!! (At Dest)
12261 CSTM HWH AC DURONTO EXP Dep Date:- 08/12/15 Status:- On time (562Kms to go)