Dear candidate, 2020 cut off for CSE IIT BOMBAY was 66 rank(General category) in JEE Advanced. The cut off rank for females was 248 rank. Marks above 285 in JEE advanced will fetch you rank around or above 60. To give JEE Advanced, first you need to qualify JEE Mains with a particular cut off (around 90 percentile) However, cut off marks can change anytime with rank due to:

• Difficulty level of paper

• Number of candidates appearing

• Number of seats in college

For more information, you can check:

https://engineering.careers360.com/articles/jee-advanced-cutoff-for-iit-bombay

Hope, it helps!