This book has been authored to cover syllabus of Post Graduate Courses offering “Research Methodology, Research Ethics and Computer Application in Research” as one the papers, Ph.D. Course Work, and UGC JRF/NET examinations. This book is presented in three sections and 12 chapters that broadly cover all important topics of research methodology, research ethics and computer application in research. Chapter 1 introduces the research methodology defining meaning, distinctions, characteristics, research objectives, types of research and steps of research processes. Chapter 2 informs readers about the formulation of research problems followed by review of literatures. Chapters 3 defines variables, its various types and measuring scales. Chapter 4 defines hypothesis, its characteristics and types along with hypothesis testing tools. Chapter 5 defines research design, its functions, its features, research design concepts, types of research design, and research designs in quantitative and qualitative research studies. Chapter 6 defines sampling, sampling terminologies, sampling principles, sampling designs in quantitative and qualitative research studies, sampling size calculation and saturation point. Chapter 7 described research data collection tools; chapter 8 deals with treatment or analysis of data. Chapter 9 describes steps involved in the research report writing; chapter 10 informs about research proposal writing techniques. Chapter 11 describes research ethics and UGC Regulation on Plagiarism; and chapter 12 defines computer and ICT application in the research briefly describing components of computer and ICT. Contents of this book are concise and worth reading. This book will be helpful for the students of all disciplines to enrich their understanding about basic concepts and steps involved in the quality research studies. I am very happily and proudly submitting this book to the young learners and researchers.