Visvesvaraya Technological University — hall ticket issue

By mistake i have applied for extra two subjects which are not in our syllabus those are 17cph49 and 17kkm49 so kindly consider review my problem and re issue my hall ticket sir i have 17cph39 and 17kkk49 which are in my syllabus are having same timing same date to that of my mistaken sub mentioned above and i can attend only one exam because both are parallel and my usn is 4sm17ec047