Abstract: A brain network is an information handling framework comprising of countless basic, exceptionally interconnected handling components in an engineering motivated by the construction of the cerebral cortex piece of the cerebrum. Thus, brain networks are frequently equipped for doing things which people or creatures get along nicely however which customary PCs frequently do inadequately. Brain networks have arisen in the beyond couple of years as an area of surprising an open door for research, improvement and application to various true issues. For sure, brain networks display attributes and abilities not given by some other innovation. Models incorporate perusing Japanese Kanji characters and human penmanship, perusing typewritten text, making up for arrangement mistakes in robots, deciphering extremely "uproarious" signals (e.g., electrocardiograms), demonstrating complex frameworks that can't be displayed numerically, and anticipating whether proposed advances will be great or fizzle. This report presents a short instructional exercise on brain organizations and momentarily depicts a few applications.