HTC — delay in repair my cell phone

Address:

Surendranagar, Gujarat

my self hardevsinh jadeja from gujarat . i bought htc desire 816 on 1st august after a week i faced probleme of "no sim detected " probleme so i submit my phone at ahemadabad htc service centre on 17th august . service representative told me it took within a week to solve problem after a week when i rech there they give me fake dates after dates ..which still not resolved . i m tired of having communicaton with such rude and careless representative . hope u can resolve my issue as soon as possible .