hi,
i am shankar purchase karbon 415 at sri harshu electronics bill no. 3954 dated 28.7.10 this hand sets works only 45 days later display is getting black. i contact with purchase store. they given service center. the karbon mobiles they manufacturing geometry box it is unfit for using. after 5 minutes battery is heating only advertisement making corers of money for any under control of govt department please checkout like this manufacture after testing seal release to market.