Research purifies human life. It improves its quality. It is search for knowledge. If shows how to Solve any problem scientifically. It is a careful enquiry through search for any kind of Knowledge. It is a journey from known to unknown. It is a systematic effort to gain new knowledge in any kind of discipline. When it seeks a solution of any educational problem it leads to educational research. The following book consists matters regarding meaning of Research Methodology, Research Design, Variables and hypotheses and Sampling.