Electrical Engineering deals with the study of electricity, electronics and electromagnetism. It takes 4 to 5 years to complete the Electrical Engineering degree. Post Graduate courses in Electrical engineering are Master of Engineering/Master of Science (M.Eng./M.Sc.), a Master of Engineering Management, a Doctor of Philosophy (Ph.D.) in Engineering, an Engineering Doctorate (Eng.D.), or an Engineer's degree. There are various career opportunities for Electrical engineers in the government sector. They can work in the following public sector companies - National Thermal Power Corporation(NTPC), Power Grid Corporation of India Limited(PGCIL), Bharat Electronics Limited(BEL), Bharat Heavy Electricals Limited (BHEL), Indian Oil Corporation Limited (IOCL), Oil and Natural Gas Corporation(ONGC) Coal India Limited (CIL), Steel Authority of India Limited(SAIL) etc.