You need to secure a very good rank in the NIMHANS entrance exam, this could be among the top 4 or 5. Here are some things about the course you should know about beforehand.
As it is an institute of national importance, there are plenty of research opportunities for interested students. At the end of the course, you are expected to have a thorough knowledge of clinical aspects of Neurology, investigational modalities not limited to EEG, EMG, MRI, CT, etc. Thus it opens a huge scope of learning.