12263/64 Pune - H. Nizamuddin AC Duronto - यह है पुणेकर वालों की राजधानी जिसका speed है सबसे Great, नहीं पहुंची है अब तक अपने लक्ष्य स्थान पर Late. - Sahil Khandare

Replyying in contrast of HomeZone ECR
section DHN - MGS stretch
405 kms
with start to stop and intermediate halts time included Avrg .
1. 12358 ...80 kmph
2....
more...

12988 ...70 kmph
3. 12382 ...72 kmph
4. 12372 ...73 kmph
5. 12330...71kmph
6. 12380 ...71 kmph
7. 12320 ..72 kmph
and not to mention .. in this some trains have 6+ halts btw this stretch and they run before time ..
also u should understand the complex structure GMO ..Ghat section where MPS of trains is restricted (30 mins trains run below 90 kmph)
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I am not seeing any sf which starts at ndls or take gzb till cnb with such avrg of any zone ..and follows everyday ..
the above trains always follows der tt in this stretch .. many times comes before at mgs and dhn.