Myntra.com — Different design titan watch received

Website:

Myntra

I ordered a titan watch of worth 12255 which i received on 29 june from myntra when I opened the package what i see was the different design watch of the same titan brand. Its a huge amount which I invested on watch plz help me.i requested Myntra to return and delivery agent refused to take the pick up and my order is now on hold.
Register Mobile number is [protected]
And Order ID is 1239651 [protected]. The order is in the name of Vineeta.
They put my return on hold.i am unable to tolerate this loss.i am in tension.plz help me