Boat — replacement not received since 17 days

One of the ear of my boat 225 earphones is faulty so i decided to replace them you picked up the product from me on september 20 2019 and i haven't got any response from their side i tried calling the customer care and they are not attending the call i have call them around 100 times
On email they just sent me the link to register the complaint the service no. Is saying me that the ticket no. Is invalid where as the site is saying it is correct.
I need my earphones replaced in less than a week.

Ticket no. -566818...