Dear Aspirant

The cutoff marks of JEE Main 2020 will be released by the NTA in online mode after result is announced. Going back to the previous years the cutoff marks for OBC category in 2019 was 74.31 where as in 2018 it was 45.Yes,it was a Very huge difference which is given based on the paper difficulty.For more details you go check https://engineering.careers360.com/articles/jee-main-cutoff

In case if you are asking for the NEET cutoff marks in the last year the cutoff mark for OBC category was 107. you can get a clear detail at

https://medicine.careers360.com/articles/neet-cut-off

All the best...