Hcl desk top
Not working

I purchased a desk top hcl from bharat computers, nehru place on 26/8 which went under repair on 18/7 and i lodged a complaint but after long chasing it was repaired on 2/8 but same again failed on 24/8 and complaint lodged on chasing 26/8 they have given new complaint no and engineer visited on 27/8 and told that warrenty expired on 30/7 and returned without attending it, please tell them to attend it on priority basis under warrenty