HTC Care Center

my HTC desire 816 having small problem of sim is not inserting properly. but that executive even not seen the problem tolled me that fill up the form. i told him i dont wont to submit my phone for this small problem . he promises me that just fill up the form i will not going to keep your phone . as soon as i fill that form & handover to him he told me that you have submit your phone & will take 15 to 20 days for repair. such a worst service. i ask him to give my form back . he told me that it will be my now ..... very bad service