Candidates are expected to meet all of the five criteria mentioned by the authorities under JEE Advanced eligibility criteria 2020. If the candidates are not able to meet the criteria, then they may be disqualified from the admission procedure.

• Performance in JEE Main 2020
• Age limit
• Number of attempts
• Appearance in 12th (or equivalent) Examination
• Earlier Admissions at IITs

Regarding score criteria, you have to refer the link

https://engineering.careers360.com/articles/jee-advanced-eligibility-criteria#:~:text=Should%20have%20scored%20at%20least,(or%20equivalent)%20board%20examination.