JEE Main 2018 online application process is going to begin from December 1, 2017.

The process will end by January 1, 2018. The information has been updated by Central Board of Secondary Education (CBSE).

Eligibility:
Applicant must have been born on or after October 1, 1993. 
Applicant should have appeared and qualified in class XII exam in 2016 or 2017 or should appear in class XII exam in 2018. 

Details are available at https://jeemain.nic.in/webinfo/Public/Home.aspx. 

The candidates are advised to see the JEE (Advanced) website www.jeeadv.ac.in for information related to JEE (Advanced).

The paper-based exam is scheduled on April 8, 2018, whereas computer-based exam is scheduled on April 15 and 16, 2018.

The JEE (Main) will also be an eligibility test for the JEE (Advanced), which the candidate has to take if the candidate is aspiring for admission to the Undergraduate programmes offered by the IITs/ISM Dhanbad.

Detailed information: https://jeemain.nic.in/WebInfo/Handler/FileHandler.ashx?i=File&ii=81&iii=Y

The number of attempts for JEE Main is limited to 3. 

The website notifies:
1. There shall be no weightage for the class XII marks in calculating the ranks in the JEE (Main) exam
2. For the candidates to qualify for the admission in the IITs/NITs/IIITs and such other CFTIs whose admissions are based on the JEE (Advanced)/JEE(Main) ranks, they should have secured at least 75% marks in the class XII exam, or be in the top 20 percentile in the XII class examination conducted by the respective Boards.