Zoomcar — Charged inaccurate late fee and not resolving the disputes I raised

I had a booking on Mar 8th. When I tried to extend the trip, the application errored. I contacted customer care immediately and they suggested to raise a dispute which I did during the trip itself. But later I was fined hefty late fee and even though I raised several tickets to reduce the late fee stating about the application error and the ticket I raised during the trip, they closed the tickets immediately and started sending me notifications related to taking actions for not paying the late fee.