Candidates preparing for the BITSAT exam can solve and practice the BITSAT 2021 sample papers. Solving BITSAT 2021 sample papers can help you comprehend the exam's difficulty level, as well as the BITSAT exam pattern. The Birla Institute of Technology and Sciences administers the BITSAT exam, which serves as the foundation for admission to a variety of programs, including B.Tech. Because the entrance examination is for engineering students, it is not easy, and students must prepare well, which can be aided by using BITSAT 2021 sample papers. Some people dismiss this practice, however it is true that BITSAT sample papers aid applicants in determining their level of knowledge and preparation.

Below I am attaching a link where you can get the sample paper for BITSAT.

https://engineering.careers360.com/articles/bitsat-sample-papers

It is difficult to get previous year papers because exam is conducted online. It is totally a computer based test.

Hope this helps