Realme - Discount not provided and cancelled the order

I want to tell you that sir I have ordered realme buds * and also my two friends have ordered realme buds * at very cheap price because due to I have axis bank credit card where I get ****off but seller is telling that price is lifted wrong after I talk to customer service with different different id through which I order that buds they are telling different different reasons of cancellation one is telling that it is due to wrong price it was cancelled but I ordered at price of **** and I got ****off on credit card so hows that possible second customer care is telling is was due to misstake of seller i mistakenly touch the confirmation button on credit card offer and third one is telling that it was due to technical error I have added photo plss help me I am unable to write properly in english please contact me. At ********** this no
I also have added photo of that order plss help me