Chemistry is sometimes called as ‘the central science’ because it connects the physics with other natural sciences such as astronomy, geology and biology. On completion of this doctorate degree they must submit their ‘thesis’. Doctorate degree enables one to keep expanding frontiers of knowledge and provides research training relevant to the present social and economic objectives. The doctorate degree course teaches to write a good research report and acquires the skill of presenting data in graphical form. Also there are good jobs available in food and drinking industries, utilities and energy research, health and medical organizations, scientific research organizations and agencies.