complaiant to non regester agencey in chennai central

Location/place: chennai

Name of company/service: aaa

dear sir my name is raja i am one of the citizen in india i saw the one big isoue in made in chennai central railway station opp sit side travel agensys.last month i travel chennai to banglore.i ask rate he said 600 rupees.but after the bording the bus opearater tell the rate 450 only so he take 150Rs more i ask some passanger he said the or doing this type only there are no licence for the authrised for goverment so please take acktion and do it save puplic money