If you want to get admission in AIIMS BSc Nursing then you must practice old question papers. The paper has total hundred questions. You get two hours time to finish it. It has questions from Physics, Chemistry, Biology and General Knowledge. You may not get real paper from AIIMS but you can get memory based papers. These are shared by students who gave exam. Careers360 gives these papers and answers. When you solve these papers you understand how exam is done. You also learn time use and mistake check. After solving one paper you check answer then you read weak topics. You keep doing this again and again. Then your marks go high in real exam. This is how old paper helps you.

https://medicine.careers360.com/articles/aiims-bsc-nursing-question-paper