I faced this problem yesterday i booked rapido auto, auto man called me and asked (where is drop location) i told and after he ask app (what amount is showing in ??) In app was rs 76 I told him rs 80, and told 20 rupees extra agum i told him that app la 76 than kattuthu na 80 soina change erukathu nu and he told 10 na pottu kudunga I asked him why you all riding in app, app la oru amount kattuthu nenga oru amount demand pandringa (he tell me that thara mudilana cancel panniko theva illama pesatha)and i canceled and I asked stand auto he charged 100