Spice Jet Airlines — Online ticket purchase

Hi, I have done online purchase of ticket from Dubai to Chennai and made transaction in AED, PNR K9P1VT also attached ticket charge in 874.20 AED But Transaction made in INR check below bank transaction, However Bank saying me they can't have any rights/option to change currency of transaction, How you done transaction with AED and ticket in AED and my bank transaction made by you is in INR I have deal with many airline if pay in local currency (AED) it will trasaction will made by local currency(AED), same like your website made in AED and received ticket also in AED, But how would you made my transaction by INR, Already check with bank and complaint, they said couldn't have option/right to change online trasaction currency. Problem is why made in INR