Tamil Nadu State Transport Corporation [TNSTC] — I'm complaining about the conductor and driver behavior

My parents traveling from koyembedu to Rajapalayam(9'o clock bus) december 3rd. We requested to pick up from melmaruvathur but conductor talked too much and ignored. He told to wait on chengalpet tollgate at that time also he scolded my parents. Conductor name Muthu Kumar route no 184UD