JEE Mains is the entrance examination for admission to Engineering courses across India. This is also the gateway for IITs, NITs, GFTIs, etc. There might be Institutions that parallely run their own entrance examinations but JEE Mains is the entrance examination for almost 85-90% of Engineering Colleges in India. So, if your dreams is to get into Engineering in any of the IITs, NITs, GFTIs, JEE Mains becomes necessary.