Hello.

National Testing Agency will release the JEE Main 2019 cutoff on April 30 along with the result. Candidates can check the cutoff of JEE Main 2019 by logging into the result portal. This will be the qualifying cutoff for appearing in JEE Advanced for IIT admissions. JEE Main 2019 cutoff will be published separately for each category. The cutoff of JEE Main 2019 is the minimum score a candidate needs to be eligible to appear in JEE Advanced. This is not the same JEE Main cutoff that will be published by JoSAA for admissions tentatively in June. JEE Main cutoff 2019 published by JoSAA will be specific to each branch and category in the participating NITs, IIITs and GFTIs. This cutoff of JEE Main will list the minimum ranks branch wise and category wise for admission to these institutes. JEE Main aspirants who meet the cutoff of an institute will have good chances of admission at that institute. To learn more about JEE Main cutoff 2019, go through the rest of the article. 

Here is the link that give you the complete list of cutoff for mains.

https://engineering.careers360.com/articles/jee-main-cutoff/amp

Hope this is helpful.

Good luck.