Tamil Nadu State Transport Corporation [TNSTC] — Timing delay

I have reserved for 6.00am ECR from kumbakonam to Chennai bus I'd no E472, route no 307UD.Now the time is 6.31 since there is no bus is arrived at pickup point. There were no proper response from corporation side and none controlling officer at the boarding place. Nearly 30passengers waiting for bus without any intimation. Please take certain action asap.