IIT DELHI will announce JEE ADVANCE 2020 cuttoff in June 2020 along with results..For getting seat in IITs you have to score rank under 12k in unreserved category..And cuttoff score changes each year as it depends upon level of paper.You can target 180+ score for getting rank under 12k..
For more details regarding previous year cuttoff of various IITs, visit below mention link:
JEE advanced 2019 cutoff for various categories is mentioned :
General category :89.75
a candidate has to secure equal or above the minimum qualifying score. To get more information just go through the link provided.
Hope this would help you. Good luck!!
IIT/JEE 2020 Online Preparation
Crack JEE 2020 with JEE Knockout Program, If you Do Not Qualify- Get 100% MONEY BACK