Delhi Transport Corporation [DTC] — About bus timings

Good morning sir
Sir I am the daily passenger of DTC bus service from Tikri border to old Delhi railway station. The bus driver and conductor has no particular bus timings.They departed the bus at any early at their own wish. Normally bus was came at 5:10 and it is the right time to departed the bus from the origin station but today they take the bus at 5:00 clock .
Pls sir take action do needful
Bus no :- DL 1 PC 8689