Yu Televentures — Yu unique mobile having problem on/off button

Address:

Alwar, Rajasthan, 301019

Dear sir,
I have problem regarding yu unique mobile which is not working properly since few month.i had complain regarding on/off and volume keypad not working.I mailed you also in April month but they provide me service center of yu unique in bhiwadi. shyam mobile care bhiwadi. they just checked phone and said to me your phone out of service.while i purchased this phone in 8 oct 2015.through snapdeal. please help me out of this problem.replace this phone i[censored] could.
Regard's
Ratan
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