Contents: Preface. Introduction. 1. Characteristics of scientific method in social sciences/Nikhlesh Kumar. 2. Fundamental of research design/A.K Nongkynrih. 3. Data collection/D. Nongkynrih. 4. Interview and questionnaire/S.M. Sungoh. 5. Observation as a technique of data collection/B. Panda. 6. Statistical tests of research hypothesis/T Kr. Chakrabarty. 7. Constraints and challenges to social science research in North-East India/L S Gassah. 8. Ask why exhort rational approach and inculcate scientific mindset/M N Bhattacharjee. Index.