Flipkart — Air Ticket cancellation not refunded

Hi..
I booked a ticket on air asia dated 28April 2021, pnr..IUH7RI from bhubaneswar to goa but unfortunately the ticket cancelled by airline on that date.so on the same date I booked another ticket via indigo and complete my journey, same time airasia mail me that my money was refunded and pls contact flipkart for refund.then I mail flip kart on 14 th may and they assure me to to solve my issues by 17th may, they give me a incident no..IN[protected], after may 16 till date they have no reply and I tried to contact them several times by mail but they have no reply.
Pls..do needful for my refund.