The mighty veteran Purulia Express serving for decades, daily commuters' lifeline and witness to a Rising Bengal! - Soumyadip Mahato

IF IRI's Live Map Status is to be believed, I wonder how and why this train gets delayed at remote stations with no traffic.
See this :
- The train was bang on time at Nizamabad
- Akola 1 min. late
-...
more...

Chandur Bazar 1 min. late
- Now the delay zoomed to 1hr 36 min at Narkhed (CNDB - NRKR is just 104.8 km)
- Betul 42 min. late
- Again a whopping delay at Itarsi with 3 hrs 42 min. (here BZU - ET is just 106 km.)
- Finally it reaches Indore delayed by 2 hrs 30 min late at 7:35 am
I wonder what could be the reason behind these delays?? Does the section controller ignored this train and given preference to regular trains? Does the loco failed at remote locations?? Or anything else???