TNSTC — extra charges collected by conductor

I am a graduate and i am from trichy on 29th of june 2014 i reache bustand and all busses were flooded and asked the conductor if there are any seats he said no result but made me to wait when bus is about to leave he collected 300rs from me in place of 235 with 65rs as a bribe plz do take action for further details contact me @ [protected]@gmail.com