Hey dear 

Try checking after 7 pm

Open any one of the official websites - jeemain.nic.in, cbseresults.nic.in or results.nic.in

One homepage, you will find the link for JEE Main Exam, click on it 

You will be redirected to the results page

Enter your registration number/roll number, name and date of birth. Click on submiT

Your result will be displayed

Hi Dear, Result is not declared yet but in short, it will be released.after the release, you will be able to access and download.

for more information, check it out given link:
https://engineering.careers360.com/articles/jee-main-result

good luck