Flipkart — My laptop is successfully pickedup by flipkart but refund not initiated me

Website:

www.flipkart.com

On 16th nov the delhivery courier boy pickup the laptop from my Village and he said that at the time of pickup that his delhivery app is not workin at my location and he will gave the product to the hub then the pickup status will be show and refund will initiate after 24 hours but still my refund is not initiate and i didn't received any confirmation message from delhivery or flipkart and when i go to delhivery hub he said that product is successful sended to flipkart back so contact flipkart and when i contact flipkart he said that pickup was not done and the courier service provider gave me the acknowledgement physical receipt (are attached in attachment) and out for pickup sms and order id screen shot are in also in attachment so please help me to get my money back