GUJCET criteria says that the Candidate should have domicile of Gujarat or must have passed his/her 12th from a school situated in Gujarat orr his/her parents must have been from Gujarat. But those Candidates who are not from Gujarat but are working in Gujarat at the time of admission also can appear for Gujarat. So even if you are not a resodent of Gujarat, but if your parents are from Gujarat, you can appear for GUJCET.