Xiaomi India — Mi in-ear basic earphone/ i didn't receive them as replacement

Address:	110059
Website:	www.mi.com/in

Sir, i purchased mi in-ear basic earphone from mi.com
But after few months the earphone stopped working. I submitted the earphones in service center in janak puri west (Delhi mi exclusive service center, g-5, 2nd floor, janak place, chatrapati shivaji marg, janakpuri district center, janakpuri, new delhi, delhi 110058)
On 25 may. But after one month and four days i got a call on 29 june from mi india they deliver the earphone to me at my residence as a replacement. But i didn't receive my earphones yet. I have jobsheet number - (Hihin[protected]
That service center gave to me but they told me the same as mi india did. I also try to contact throuh email but i didn't get the proper response.