Myntra.com — My product is not delivered and the status is Delivered

Date of delivery - 18th March
Concern raised on 22 March
I had 3 products, 2 jeans and 1 footwear.
2 jeans were delivered but my footwear is not delivered.
"Allen Solly" Footwear is not delivered.
I asked to raise complaint, they said it should be raised with 72 hours, I was away and was not able to check on delivered products.

I also asked to check with their delivery boy or share the contact number and name of delivery boy.