Hp(pavillion dv6 3123TX)
Not receiving gift voucher worth Rs 3000 of adidas/titan

I had purchased a hp pavillion notebook (model dv6 3123TX) serial no. INA0450L7F product no. XV699PA#ACJ from a hp authorised dealer in kolkata (technocrat infotech) on 01.01.2011 There was a offer going on during that time Rs3000gift voucher of titan/adidas.i submitted my details on 02.01.2011.my registration no.2395694.till now i have not received any gift coupon.please insist hp india to do something in this regard.my mob.no.9002648690