HP India — Defective product

Address:

Hapjan Tea Estate, p.o.Makum Junction pin=786170 Dist: Tinsukia

I have purchased a Hp laptop from "M/S Cas computers" which is defective in warranty period i handed the product on last month for repairing is said to me motherboard dead and returned me after 10days by repairing but it is not resolved again it shows on the screen " prepare automatic repairing" and laptop closed automatically.
So I requested you to kindly loged a complaint and replaced my laptop by a new one.