Srm Transports — bus timings

Address:

Chennai, Chennai, Tamil Nadu, 600039

Hi i'm traveling in srm bus from chennai to tirunelveli. When i book the ticket it shows that the bus will reach tirunelveli by 4 pm but it haven't reached yet (5:40) and i think it will reach only by 6:15 pm. This is not the first time as it always happening with this bus... The main thing which i want to escalate is, every travel organisation should not promise a wrong commitment (Timing) which they cannot apply in reality...