Delhi Transport Corporation [DTC] — bus conductor ride behaviour and not giving ticket after paying

I started my journey from shadipur to rohini in dtc bus (Green) via dl1pc9697 and bus number 975 at 10 am today morning 01/01/2018. I gave conductor the ticket amount but the conductor refused to give me the ticket and he was asking for 15 rupees change although i gave 100 rupees and he have change also but says take rest 85 amount in depo. I'd be glad if any kind of action will be taken for the same