In the NIMHANS entrance exam, around 90-100 MCQs are based on the foundation 19 subjects taught. These M Qs are similar to the ones asked in PG entrance exams of other medical colleges like AIIMS and JIPMER. So, the study material is more or less the same for other All-India exams.
Here are some excellent book recommendations for the Neurology part
Hope you clear the exam!