the joint entrance exam JEE MAINS is  a very crucial exam if you want to get admission to  to various engineering colleges in India which includes you can get admission into the NITs Which are one of the best  government Engineering Colleges and across the country you can get admission to IIITs which also specialises in information technology and in computer science. there are also other government funded engineering colleges in which you can get admission through JEE Mains .If you want to get admission to the Institutions need to first register through NTA and then qualify JEE MAINS  and then participate in  JoSAA counselling , you need to have a very good rank. If you want to get admission to the IIT then you need to qualify JEE ADVANCED and get a very good rank in it which is more advanced than MAINS. JEE MAINS 2025