Ms Tomar is the festival director of CMS VATAVARAN since its inception. She also heads the Environment Research Group and the ENVIS Centre at CMS. She has conducted several research projects on assessing knowledge, attitude and practice prevailing in communities and formulating communication strategies accordingly leading to change in behaviour. She was also in the 2006 Jury of 3rd Green Film Festival in Seoul, Korea. She was the only Indian in the final jury.

A post-graduate in Environmental Sciences, her area of specialization includes environmental education, natural resource and solid waste management. With eight years of experience in project planning, design and management, she has conducted research to formulate locale specific conservation education, communication and social mobilization strategies. Tomar also undertakes outreach programmes for creating awareness among students and also to sensitize electronic media practitioners. She is pursuing her PhD in communicating climate change from University of Stirling, Scotland, UK.

She has conducted research and analysis on pertinent issues like nitrate pollution in drinking water and sanitation, climate change, natural resource management, ground water, occupational health hazards in industrial areas, effluent treatment facilities, vehicular pollution, bio-medical waste management, alternative fuels for vehicles.

She has also a number of research papers, chapters published to her credit in journals and books. She has four books published to her credit.