Myntra.com — product missing in order

Address:

Gurgaon, Haryana, 122002

I ordered 6 shirts from myntra on 25 dec 2018. I recieved three shirts on 31st dec. 1 on jan 8 and 1 on jan 9. When i checked first package, received on 31st dec 2018 it had only 3 shirts but according to order tab in myntra it should have contained 4. Then i called customer service and told him about the issue. He registered complaint and said will get back in 72 hrs. The next day i recieved a message a pick up has been scheduled. I cancelled the pick up because i didn't recieve the shirt in first place to return. After that i didn't recieve any communication.
The order no. Is[protected]-4372703. The article missing is louis phillips men yellow classic regular slim fit shirt. The cost of shirt is rs 736.