JEE Mains examinations are organized for the candidates to offer admission into the Engineering colleges all over the country, the colleges include NITs, Government Engineering colleges, some Private engineering colleges, etc. JEE Advanced is an examination that is organized to offer admission into premium engineering colleges like IITs, IISc, etc. to become eligible for participating in JEE Advanced, the candidates must go through JEE Mains first and score more than 100 marks for shortlisted as a JEE Advanced along with meeting other criteria.