Hello Aspirant,

As you know that college seat is based on cut off of every year so it is not fixed that how many marks is needed. But according to previous year cut off and trend you have to get minimum percentile about 50.

Also you can go through the given link and check the cut off of all the colleges:-

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

Hope this information helps you.

Good Luck!!