Hello,

To be eligible to appear in BITSAT a candidate must have passed 10+2 with Mathematics, Physics and Chemistry along with proficiency in English.Candidate must have passed with 75% aggregate and must have 60% aggregate in each subject individually.Candidates who opted for biology must  have 75% aggregate in Biology, Physics and Chemistry.Candidates must have passed 10+2 in 2019 or 2020.

So, you are eligible to appear but you must also have minimum percentage in qualifying exam.