Myntra.com — Not Received The complete order /some items are missing in delivered order

I ordered two jackets from myntra and total order value was 3058 INR but as I received my order bag .when i open the bag that had only one jacket and the one item is missing in my order .I compalin about this to the myntra support staff but they gave me no solution about this and declined my claim .I want my refund for that item or give me the missing item from that bag that delivered to me.i m having the pics of thr bag I received