Hi Aspirant,
Hope you are doing great as per the question asked by you, you should work hard and should focus on achieving high and high in entrance exam it totally depends upon the examination if paper is simple then cutoff goes high gradually and if paper or examination is hard then cutoff goes down. You should certainly work hard and should try to achieve high and high in examination. As per the previous year cutoff trends a score above 60-70 + in J.E.E. advance can definitely get you seat in I.I.T bombay.
Hope you found this answer useful.Stay motivated stay positive.
All the best!
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile