Dr. K K Aggarwal, Padma Shri Awardee, Editor-in-chief, IJCP Publications, will explain the state of consciousness in this video. There are four state of consciousness: two are parasympathetic and other two are sympathetic. He will further discuss the two sympathetic states which are awake and dream state. He will also discuss the parasympathetic states which are deep sleep and meditation state. He will explain these along with the modern medicine too.