- B.Sc. in Botany from Bahona College, Jorhat-2007
- M.Sc. in Life Sciences (Botany) from Department of Life Sciences, Dibrugarh University-2009
- Ph. D. in Life Science and Bioinformatics, Assam University, Silchar-2015
- Worked as Assistant professor in Botany, B.N. College, Dhubri, Assam (2013-15)
- Worked as Assistant Professor in Botany, Biswanath College, Biswanath, Assam (2015-21)
- Joined as Assistant Professor in Life Sciences, Department of Life Sciences, Dibrugarh University, Dibrugarh (Nov.2021)
Areas of Interest: Endophytic microbiology, microbiology
Awards: DST INSPIRE Fellow (IF-10477)
- Major research project completed: “To prepare a suitable consortium of microorganisms to develop a standard starter culture for locally prepared rice beer by Deori community of Assam”. Funding agency-DBT India.
- Ph.D. Research: “A study on endophytic microbial inoculants of Camellia sinensis L.(O) kuntze and their evaluation for promoting plant growth”. Assam University, Silchar.
- R. Nath, G. D. Sharma and M. Barooah. (2012). Screening of Endophytic microorganisms of Tea (Camellia sinensis L.) for Plant Growth Promoting Substances. International Conference on Biodiversity Conservation and Environmental Health. Assam University, Silchar. 16-17 March, 2012.
- R. Nath, G. D. Sharma and M. Barooah (2012). Production of plant growth promoting substances by endophytic fungal isolates of tea (Camellia sinensis L.). National Seminar on “Biodiversity of the North East With Special Reference To Brahmaputra Valley”. Majuli College, Kamalabari. Majuli. 26th April 2012.
- R. Nath, G. D. Sharma and M. Barooah (2012). Isolation And Characterization of Endophytic Microorganisms from Tea (Camellia sinensis L.). National Seminar on “Biotechnology Research In Sustainable Development”. Dibrugarh University. 27-28 February.
- R. Nath, D. R. Rabha, G. D. Sharma, R. C. Boro and M. Barooah (2011). Population dynamics of endophytic microorganisms in Camellia sinensis L. National Seminar On “Biochemical And Biotechnological Approaches for Bio Resource Management Of North East India Towards Sustainable Rural Development”. Biswanath College of Agriculture. Sonitpur. 11-12 November.
- R. Nath, G. D. Sharma and M. Barooah (2013). Phosphate and Zinc Solubilizing Activity of Endophytic Penicillium Sp. Isolated from Tea (Camellia sinensis L.) UGC Sponsored National Seminar on Research in Biological Sciences for Sustainable Development with the Application of Mathematics and Allied Branches. 10th -11th May.
- D. Talukdar, R. K. Dante, R. Nath & G. Gowsami (2013). Non-conventional management of Myrothecium leaf spot of soybean. UGC Sponsored National Seminar on Research in Biological Sciences for Sustainable Development with the Application of Mathematics and Allied Branches. 10th -11th May.
- Ratul Nath, G. D. Sharma & Madhumita Barooah (2014). Endophytic Bacillus sp. isolated from tea (C. sinensis L.) leaves: a promising antifungal and plant growth promoting agent.
- Ratul Nath, G. D. Sharma & Madhumita Barooah (2019). Evaluation of biofertilizer potential of Endophytic microbial consortium isolated from tea bush (Camellia sinensis L.) INFES Guwahati University.
- Ratul Nath, G. D. Sharma & Madhumita Barooah (20118). Fungal endophytes isolated from Tea (Camellia sinensis L. (O) Kuntze) shrubs and their plant growth promoting activities. ADP College, Nagaon.
- Ratul Nath, Robert Dahanga (2019). Entrepreneurship potentiality and Microbial Analysis of the Starter Cake of Suze, the Traditional Rice Beer of Deori Community, Assam, India. IIE, Guwahati.
- Ratul Nath, Robert Dahanga (2019). Microbial and food value analysis of traditional rice beer prepared by Deori community of Assam. Nowgaon College, Assam.