Flipkart — Oneplus Mobile ordered paid full amount item was missing refund avoiding after sharing all required documents

Ordered Oneplus nord CE 2 Lite from flipkart big billion days they Delivered a percel there item was missing I have paidfull amount 20026 without any confusion I have captured unboxing footage also.
More than longer Waiting for refund. Everytime they rejecting refund request again and again.

They mailed asking last time To process return share your documents I shared immediately by replying mail. And they waiting for My consent to lodge FIR against missing item I also given agree consent. Still 14 days passed not received my refund.

I raised new return which requested stage return id[protected]
Please take imediet action on it and refunded my money.