The monthly duty chart accounts Wrk hrs nt Kms covered & every Crew has to complete minimum assigned duty hrs!!
For LP/ALP/Guard..one shift is of regular 6 hrs (8 hrs extreme) while same may hold true for TTE (bt in Garib Rath, TTE covers complete train distance--BSB GR)
For Zonal ease, LP/ALP may get changed in short span also (NDLS-MB..M/E) while for Freight, its approx mid (NDLS-CNB for M/E & NDLS-TDL-CNB for Freight)!!
They...
more... get sufficient break, hav running room & get cooked fresh food @ duty complete hrs (anytime by cook)!!