Hello student I'm sorry to inform you but as per eligibility criteria you're not eligible because candidates need to obtain at least 60 percent marks in each subject.

Eligibility - Candidates must passed or appearing class 12 in Physics chemistry and Mathematics with minimum 75 percent marks aggregate from a recognized board.

For more details refer to the link mentioned below - https://www.bitsadmission.com/Eligibility_Criteria.aspx

Feel free to comment if you've any doubt

Good luck