Boat — Replacement is not done within one month still yet

I complain for replacement of earphone due to not properly work both side. Courier pickup boy received earphone from me on 10 th June . Replacement is issued on 12 th June but till now my ear phone not delivered to me. When I complain by call they always said it resolved within two days but still it not done.
Ticket no. Is :- 2495602
Tracking id is :[protected]
They all are just making fool us.