Her core expertise is in Environmental Health Engineering, Climate Change Adaptation, Urban Heat Island Phenomenon and Health Impact. Since 1995 she has targeted towards contamination measurement and possible control. She has an extensive background in pure and applied research as well as engineering background in Graduate faculty of Environment, University of Tehran and Chemical Engineering, University of Malaya. She has acquired, applied and has taken pride in a very wide range of experiences and activities from hands-on projects such as projects involving air, water, wastewater, solid waste and related health issues. She led as the Principal Investigator for various local and international research focusing on urban health and climate change addressing Sustainable Development Goals 3, 11 and 13 targeting future cities. Urban Heat Island Phenomenon In Tropical Urban Area is one of the recent grand challenge led by her funded by University of Malaya which consists of four inter-disciplinary wings from build environment, social behavior, computer science and engineering. She has been an investigator on more than 14 research projects (including 4 as a Principal investigator with total fund of RM 860, 850) within UM and internationally. Specific projects include University of Malaya Living Lab Grant Programme (LL038-18SUS), Partnership Grant (RK003-2017), Postgraduate Research Grant (PG014-2016A) and Research Grant Programme of Wellness Research Cluster (RG190-12SUS). She is also coordinate for the PhD and Masters by research program within the Department of Social and Preventive Medicine, and supervised 37 Master and 12 PhD students. She has published several books/book chapters, and 58 papers on public health, air pollution, environmental pollution, modelling and review papers in peer review publications with an H-index of 22. Currently, she is Heading the Centre for Occupational and Environmental Health and also heading the Environmental Unit, OSHE, UMMC. She is Associate Editor for international Journal of Sustainable cities and Society ( Elsevier ) and also is the Guest editor for Energy and Building ( Elsevier). She is an Editorial Member for various peer review Journals. She is Member of Institution of Chemical Engineers (IChemE) in United Kingdom, Since 2020,She is  member of IChemE100  and recently appointed as Editorial Chair for Transportation and Built Environment ( IChemE100) .  Member of Institution of the Charted Institute of Environmental Health (CIEH) in United Kingdom, Member of Environmental Management & Research Association (ENSEARCH) in Malaysia, Member of the International Association of Engineers (IAENG) in Hong Kong, Member of International Society for Applied Life Sciences (ISALS), Member of Centre for Occupational and Environmental Health (COEHUM) in University Malaya, Centre for Epidemiology and Evidence-Based Practice in University of Malaya and Member of Centre of Energy for Sciences.