Apsrtc — regarding toilets

I went for toilet in patancheru bus stand on2/6/15, the person who is sitting in front of toilet has collected Rs2/- from me for toilet. In every bus stand its free but he illegally collecting money from every one and I went to the controller of the bus stand and told this thing, he told me to give written complaint to D.M then it self I have given written complaint to the D.M of the B.H.E.Land on 5/6/15 I have called to D.M(Solmon garu) told this thing and I went for toilet on 9/6/15 also again same thing repeated and on 10/6/15 I have called to this no [protected] at 10:30am and complained But there no use I am asking the heigher authorites to take serious action regarding him.