Hey,
The eligibility criteria for admission to BITSAT includes:

Candidates should have passed the 12th examination of 10+2 system from a recognized Central or State board or its equivalent with Physics, Chemistry and Mathematics (PCM) and adequate proficiency in English(for courses other than B.Pharma)

For B.pharma-Candidates should have passed the 12th examination of 10+2 system from a recognized Central or State board or its equivalent with Physics, Chemistry and Biology (PCB) and adequate proficiency in English. However candidates with PCM may also apply for Pharmacy program.

The candidate should have obtained a minimum of aggregate 75% marks in Physics, Chemistry and Mathematics subjects (if he/she has taken Mathematics in BITSAT) or a minimum of aggregate 75% marks in Physics, Chemistry and Biology subjects (if he/she has taken Biology in BITSAT) subjects in 12th examination, with at least 60% marks in each of the Physics, Chemistry, and Mathematics / Biology subjects.
Now coming back to your question,yes you are eligible for you belong to a recognized board of India.
For detailed information follow the link given below:
https://engineering.careers360.com/articles/bitsat-eligibility-criteria
Hope this helps.
Good luck.

Hello student yes candidates who passed class 12 from Rajasthan open school are eligible for BITSAT as its a recognized board.
Eligibility - candidates must passed or appearing class 12 with physics chemistry and mathematics with minimum 75 percent marks aggregate from a recognized board.
Bitsat registration starts from 11th January and shall remain open till 31st March.
For more updates refer to the link mentioned below
https://www.careers360.com/exams/bitsat

Feel free to comment if you have any doubt
Good luck

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