Stats in terms of speed of BG kingdom (speed taken is average of up & down):
Just what a contrasting speed difference between top of this list with the bottom most train. Top is 87.5 kmph and bottom is 21 kmph.
Fastest Rajdhani- Mumbai Rajdhani (87.5 kmph)
Slowest Rajdhani- 12435/36 Dibrugarh Town Rajdhani (55.5 kmph)
Fastest...
more... Shatabdi- CNB Shatabdi (85 kmph)
Slowest Shatabdi- KGM Shatabdi (50 kmph)
Fastest Railmotor Train (Garib Rath & Yuva)- HWH ANVT Yuva (85 kmph)
Slowest Railmotor Train (Garib Rath & Yuva)- CNB KGM GR (48 kmph)
Fastest Duranto- Sealdah NDLS Duranto (85.5 kmph)
Slowest Duranto- Patna SHM Duranto (60.5 kmph)
Fastest Sampark Kranti- Maharashtra SK (67.5 kmph)
Slowest Sampark Kranti- KGM Uttarakhand SK (41.5 kmph)
Fastest AC train (LHB/ICF AC express)- LTT NZM AC (75.5 kmph)
Slowest AC train (LHB/ICF AC express)- BME YPR AC (46.5 kmph)
Fastest Janshatabdi ('Tiny Rocket')- Kota NZM JS (68 kmph)
Slowest Janshatabdi- UHL HW JS (41 kmph)
Fastest Double Decker- BCT ADI DD (68.5 kmph)
Slowest Double decker- MAO DD (48.5 kmph)
Fastest Jansadharan Train- CSM GKP (59.5 kmph)
Slowest Jansadharan Train- 15531/32 SHC ASR (44.5 kmph)
Fastest Express with LHB- RJPB Sampoorna Kranti (70 kmph)
Slowest Express with LHB- INDB YPR Weekly (47 kmph)
Fastest Express with ICF- Shan-e-bhopal (66 kmph)
Slowest Express with ICF- RJPB SHC ICE (30.5 kmph)
Fastest Passenger Train- ET KTE Fast Pass (53.5 kmph)
Slowest Passenger Train- TIA DNR Passenger (21 kmph)