Swiggy — Items are missing - Swiggy Order no. [protected]

Dear all, I have ordered
1.egg fried rice
2. Half biriyani combo
3.kerala parato
But while receiving the order 2 and 3 missing, and explained the same to delivery executive as well he told that log ticket in swiggy app, but last 2 days didn't get proper response and now they are telling can't refund my money.
Concern regarding your Swiggy Order no. [protected]