Medlife — refund due to cancellation of my order number 2817zea 001a

I ordered medicine on 18th march 2020 with order number 2817ZEA 001A which was to be delivered on 23/03/2020. But received a message stating that the order was cancelled due to stock issue and the amount will be refunded. But there's no response till date. Please take necessary action and kindly refund the amount.