Hi Saptarshi,

There is no slot booking in JEE Mains. You have already selected date of examination, mode(online or offline) and centers for your exam. One of the selected centers will be given to you for the exam.

JEE Mains 2018 Hall tickets released today on JEE Mains official website. Be sure to check your information is correctly printed else contact the authorities to correct it.

• Visit https://jeemain.nic.in/
• Click "Download Admit Card" button
• Fill in application number, password, verification code
• Click "download admit card" button on the right
• Again click "Download"

Be patient, the website is very slow due to a high number of visitors...

There is no slot booking in JEE Main.

You have already choose your exam centre at the time of filling the application form.

Official date to download the admit card is not yet out.

It is expected that you can download your admit card in 2nd week of March, 2018

Good Luck!!