JEE Mains 2020 will be conducted at 605 exam centers for B.Tech./B.E. candidates and 489 exam centers for B.Arch. and B.Planning candidates, which are located in 224 cities throughout the country and 08 cities abroad. JEE Mains Exam Centers would be allocated on the basis of preferences indicated by candidates at the time of filling the online form. All the candidates have to select JEE Main 2020 Exam center from the drop-down list while filling the application form.