Neurological illnesses can be diagnosed using history, examination, and then some set of investigations which may include routine tests like CBC, LFT, RFT, blood sugar, lipids, thyroid, vitamin B12 levels, and other blood tests. As per the patient’s presentation, other modalities are used like CT scan, MRI, nerve conduction study, EMG, Evoked potentials, ELectroencephalography (EEG), etc.