Ekart myntra - Package not delivered

I ordered a dress from myntra which was supposed to be delivered yesterday that is ** july ,the delivery boy before coming to my address called me to know the details of my address,however after *.* hours after seeing that the delivery boy still not has reached i called him back,on calling he said he has left the parcel at gate that too without calling me or informing me,he didn't even ask if he can put it at gate or not,when I tried to get there was no parcel at the gate,i recorded the call that he has confirmed of not calling or handing over the same ,this is a hand to hand delivery,also he didn't ring the bell,now when I not received the parcel and called him he continued to hang up my call,next day ekart executive called me , he promised that he will Send the person and promised me a refund of the lost items amount,but that too didn't happen, I have everything details on my call recording