All India Bar examination is a very rigorous exam in its frontier. You need to select good books for practice. This article can help you with that: https://law.careers360.com/articles/best-books-for-aibe
You can look for many mock paper books in the market. The best thing would be to join a test series from any reputed coaching.
You can look up the sample paper online too. Many websites provide good quality sample papers for this exam. Go through this link: https://law.careers360.com/articles/aibe-sample-papers