Southern Railway — overcharging at rest room

Hello sir today while i am travelling to delhi from chennai central railway. I saw the peope who had take the incharge of rest room in chennai central are over charging the price given by railways is 5 rupees bur they are charging 10 rupees which is double. There is ladies standing on table asking 10 rupees each to every people. Please check into the matter. I had forwaded this text to media and all railway officials.