Jeemain allotted centres with complete name and address has been released and shared on admit card for 2019 attempt by NTa. 

Students should download their admit cards and get necessary information  

For all details on admit card and exam centres check below link. 

https://engineering.careers360.com/articles/jee-main-exam-centres

Hello Priyanshu thanks for asking this question on this platform.actually your centre for JEE exam will be alloted by National testing agency and it will be mentioned in the admit card .so there is no need to worry about the exam centre and you can download your admit card approximately two weeks before the date of exam .thanks