Medlife — refund not received against by net banking transaction

My name is hitesh chaugule, and i am still chasing for my refund amount of above order or2202mia-005a for dual payment.
On 24th dec i did net banking payment of rs 1989.70 which got failed but amount got deducted from my bank account and the same day order was out for delivery so that delivery boy said we have not received your payment as our server is down so u need to make cash payment, hence i paid cash and took delivery of above order. Later on that net banking amount got credited to medlife. So i lodged a complaint on 01.01.2020 for refund of my net banking amount everything is confirmed from their end regarding payment received etc still i have not received my refund. Everytime they say request has sent to finance dept and refund amt in 3-5 working days. Pls help