The publication under discussion here, titled "Encyclopaedia of Research Methodology in Physical Sciences" provides reader with an introductory overview of research methodologies in physical sciences. This "Encyclopedia of Research Methodology in Physical Sciences" profiles its readers with an overview of research methodologies applied m bunches of physical science, especially chemistry- Initiatives have also been undertaken lowaids analyzing the theories and practices of research tools, techniques and programmes w r.t content and lessons in physical science. This Encyclopaedia fociue on the operating methodologies of research centers and institutions in physical science. The research methodologies followed towards understanding the paradigms, concepts and theories of physical sciences are also covered. The research methodology involved in undemanding the usefulness of research manual, guide and systems of unit in physical science, particularly reflecting upon the scientific methodology, has been discussed in detail. An overview of research methodology applied by physical scientists is outlined. Aspects related to research methodologies followed in physical science laboratories and projects are also discussed briefly. Glossary of icrms. acronyms' abbreviations, bibliography and links have beers provided to malic this publication more users' friendly. This publication is intended to serve the purpose of a reference book on the subject