Assuming you are asking for beginning of application forms of Jee main 2018 so as of now the exact dates are not yet released but tentatively it will be out in first week of December in online mode only.The final date to fill and submit JEE Main 2018 application form will be tentatively in the third week of January 2018. So I would suggest you to stay tuned with us to get all latest updates for the same,website link is given below -

http://www.engineering.careers360.com/

Hope this helps!!!