Karnataka State Road Transport Corporation [Ksrtc] — Bus timing 14:46 departure timing , running late from Kolar gold field to chennai

Address:

Kgf

I booked confirm ticket from ksrtc bus app, but bus are running late by departure time 14:46 pm time now 15 :10 pm, bus running late by 30 minutes
What is the reason bus running lates, PNR number J98901919, trip code -1446KGFCHN, take necessary action please, the public are waiting in bus stop bus is not arrival in bus stand,