Research Methodology is one of the essential subjects for Master's and Ph.D. students, which requires a comprehensive understanding of the subjects with their scientific application. This book would target all aspects, including detailed information on components of research methodology, to enable readers to conduct and write their research work. Thus, the book covers a larger audience in the allied health stream, focusing on university students and Ph.D. scholars. The language of the book is simple and lucid, with multiple illustrations for easy understanding. Ultimately the book would aim to prepare competitive health professionals to render the highest quality of research work and enable them to transform it into their clinical practice. With years of vast experience and research output, the project will have a great success and fruitful outcome.