Bajaj Finserv — Cancellation of order on bajaj finserv market taking too long

Order is place my me by mistake while checking on products on bajaj market web, there is no option for cancellation
I called customer service they said within 48 hrs order will be cancelled, that was my first call on 6 October the very same day on which order is placed, no cancellation is done, next day on 7 October I called agin same they said I also emailed them same reply of within 48 hrs, I called naxt day ie today on 8 October no cancellation is done meanwhile I am getting shipment status from seller and in 2 days product will be delivered, still no cancellation has done