HP / Pavilion G6 - 2016TX — not got any reply from hp redemption cell

Address:

Ludhiana, Punjab

Beside of sending the documents along with the cheque of Rs.1133/- well on time i.e. by 24 August,2012 for the extended warranty procedure i haven't received any of the reply from
Hp redemption cell,
solutions integrated marketing pvt.ltd.,
24 & 30, ground floor,
Okhla Industrial estate,
new delhi-110020
now what to do next........?