Hp — delay in given service

Address:

Papum Pare, Arunachal Pradesh

sir
i facing so harassment from HP company because after long time they ignore to gave service me
now what can i do i dont known because they always tell call service center but service center cannt gave proper response the always tell that we call you on evening to gave status but nobody call me or after that they tell sorry our engineer are not come or parts are not available

i totally harassment about the hp company and his service center

pls help me
my case id-
(1) CA1294936 DATED 21.08.2013
(2) CA1295551 DATED 23.08.2013
(3) CA1295650 DATED 24.08.2013