Myntra.com — wrong product gets delivered, customer care does not help

I had product order placed order no:[protected]-6750503 for parx
Men blue & black striped polo collar t-shirtsize: xxl | qty: 1

What i have received is l size

Same happened with order - order no:[protected]-1459403 for marks & spencer
Men lavender slim fit printed formal shirtsize: 39.5 | qty: 1

What i received is 37

Its repeatedly happening.
Today i called from my registered phone number, customer representative was so annoying and had no answers to how to raise complains, took 30 min of my time, and did nothing, he could not even speak properly.
I have pictures of what i have received product and i also have recorded phone calls with your annoying customer representative who had no resolution and most incapable person ever