JEE (Main) 2021 Frequently asked questions FAQs. 1. In how many JEE (Main) 2021 Sessions will JEE (Main)-2021  be conducted? JEE (Main)-2021 will be conducted in Four Sessions (February/ March/ April/ May). 2. What will be the advantages of Multiple Sessions in JEE (Main)-2021? The advantages of Multiple Sessions in JEE (Main)- 2021 are as