Dell India — laptop speaker sound is not function

Address:

180003

I have purched laptop from hiltop computers and communication ara bihar on 10/07/2018 after 2 days laptop sound is not function. I connected from shop but reply received that speak is bad.
Description of goods - dell vostro laptop cel 3568/4/1tb/15.6
3m148l2 hsn/sac code 8471
Dell laptop backpack essential code 42029900

My contract details
Jitendra ram [protected]
Pcda complex qtr no 309 (F) satwari jammu
Pin 180003