The role of electronics and instrumentation engineers has come to come acquire a great deal of importance of any industrial undertaking as they are responsible for the maintenance, designing, and construction of the complete instrumentation system. With a surge in the usage of smartphones, demand for electronics and instrumentation engineers have increased in the companies providing telephone network as well as those who are engaged in the making of smartphones. Most people are now searching for any kind of information on their mobile phones and they expect quick results. Electronics engineers have to ensure that the quality and speed of the network is maintained consistently and they strive to remain updated with the technological advancements that are taking place in this field. At the same time, their demand has increased in the medical field as they have to develop medical equipment which is of high quality and can be efficiently used by doctors.