Mivi — Not replacing my product Mivi Duopods F30

Address:

Plot No, 29, Rd Number 76, Jubilee Hills, Hyderabad, Telangana 500033

I had purchased Mivi Duopods F30 on 11th of March From Flipkart and it's have 1 year warranty but after a months my Duopods is not working properly I had mailed to the mivi customer care email id on 14 april and they replied me in 25th of April and on 28th they registered a return pickup with smartr xpress I don't know this courier service is there or not I had wait for the return pickup but it's now been 10 days mivi customer care is telling that we will pick it up in next 24 hours from last days they are telling same. My order I'd is OD[protected] they are not replacing my product and not responding properly I am using a faulty products of mivi F30. I am attaching their mails also and they are only delaying.