Hello,

JEE Main is an entrance exam for admission into NITs, GFTIs and IIITs. If you are qualified then you need to participate in JoSAA counselling. The Joint Seat Allocation Authority (JoSAA) conducts the counselling for admission into NITs, GFTIs and IIITs.

Also various private colleges accept JEE Main score, to get seat in such colleges you need to apply separately based on your JEE Main score and the application fee is applicable depending on the institute. Here is the link to the colleges which accepts JEE Main score

https://engineering.careers360.com/colleges/ranking/top-engineering-colleges-in-India-accepting-jee-main-score

States like Uttarakhand, Haryana, Madhya Pradesh etc also conducts counselling for admission into the institutes of respective states. You can apply for this state counselling as well if you fulfill the eligibility requirements.