Dell Pvt. Ltd. — Inspiron Laptop - N5110, Keypad and Touchpad not working within 3 months of purchase.

My name is Pradeep Madye, I bought a Dell Inspiron Laptop, model no. N5110, service tag no.-(s/N):152NTP1 and express code no.: [protected] from Best Buy located at 13141 City Station Dr Jacksonville, FL 32218. on 8th August 2011. And on 10th October 2011 the touchpad and keypad is not working. I have invested my hard earned money into it. I want a replacement towards it. I cant go back to US now and Iam coming to India in December. My contact number is [protected]. I want to know what can you'll do in this case. Hope you attend this case at the earliest. Thank you.