What marks should be sufficient for general candidates to get admission in iiits
According, to 2017 allotment you should score more then 140 marks in JEE Main to get admissikon in IIITs in general category.
Cut off varies campus and branches wise.
You can also check the closing rank from the given below link
https://engineering.careers360.com/articles/jee-main-cutoff-for-top-iiits
Good Luck!!
Good Luck!!