To get a seat in IIT Bombay in computer science, how many marks should a person make on the IIT Advance?

To get a seat at IIT Bombay in computer science, one must qualify in JEE Advanced and obtain a high rank. JEE Advanced is the entrance exam for admission to the IITs. The cutoff marks for JEE Advanced vary each year based on various factors such as the difficulty level of the exam, the number of applicants, and the number of available seats. 

In general, a candidate must score well above the minimum cutoff marks to be considered for admission to IIT Bombay. In recent years, those who have secured a rank between 1 and 100 have had a good chance of getting admission to CS in IIT Bombay. However, this is not a fixed criterion and may vary based on the year and the specific circumstances.