Gujarat State Road Transport Corporation [Gsrtc] — slow service of gsrtc bus

We sitted in gsrtc bus no. Gj18z0252 on 8th may'19 at 8:15 hrs for jamnagar to junagadh journey.
As it is express bus we sitted in that bus and paid express rent.
Bus is going very very slow not even crossing 40km/hr speed.
We talk with conductor he said u want to complaint then complaint we can't do anything for this. We will go at this speed only.
Usually from jamnagar to junagadh bus will take 3 hr or max 3:30 hr but this bus takes 4-4:30 hrs to reach junagadh.
We paid express rent for the bus but it was go like local bus