Hello Naini,

You can download the papers for Banasthali University aptitude test here :  https://www.google.com/amp/s/www.shiksha.com/university/banasthali-vidyapith/amp/banasthali-university-aptitude-test-exam-question-papers

You can get general information regarding their B.Tech exams here: https://www.google.com/amp/s/engineering.careers360.com/articles/banasthali-university-btech-sample-paper/amp

Hope this helps :)