Shyamoli Paribahan — Late more than an hour but no information provided

I have booked a ticket from karunamoyee to Durgapur at shyamoli paribahan Pvt Limited for the bus at 5:30 pm. But it has one late. The staff are saying it is due jam. But it's not the fact. It has started at late. My complaint is that it should be intimated to the passengers. Why the passengers will suffer by anxiety?
Please take necessary action and compensation should be provided.
Regards, S. K. Saha