Myntra.com — Didn't receive complete order

I had ordered 2 PERFKT-U jackets. Received only 1 jacket today in order. Jacket PERFKT-U Men Navy Blue Size L was not delivered in the packet. Product was cash on delivery, paid the entire amount Rs. 2079 to the delivery guy.
Order no. I0322DO[protected]

Also the order is showing due on Myntra App as of today, as delivery date was 12 Jan 2022.