I agree its really inconvenient for commuters to terminate journey midways unless people are aware abt going to Mumbai Cst and those who are new to Mumbai will have lots of confusion. Trains which are more than 5hrs late and are rescheduled are terminated at Dadar and directly go to Byculla yard since in evenings reversals are difficult at Cst as platforms are occupied and lots of trains come to Cst in evening.