Dear candidate, at 250 marks in CUSAT, your AIR will be between 1000-2000. However, these cutoffs may change due to:

• Difficulty level of paper
• Number of candidates appearing
• Number of seats

You can use CUSAT college predictor:

You can check all cutoff ranks for various colleges:

https://engineering.careers360.com/articles/cusat-cat-cutoff

Hope, it helps!