Corporation Bank — Refund related

I place an order for a mobile in emi from flipkart due to lockdown they unable to delivered it so they cancelled the order and done the refund successfully on 27th june of rs 3749/- but the amount still not reflected into my bank account its being more then 8 days have passed i have sent email with complete details but still there is no response
For the mail many customer say that you don't respond to any complains please
Do it as we are depending on you people

Bank charging me the emi amount for the same per month
My account no-[*462]
My refund reference i'd [pr20051519410323028467306

Pr2005151937033963869506]
My card no-[[protected]]