Rachana is a highly respected independent air quality researcher with a strong focus on understanding the microphysical and chemical properties that influence air quality. She has made significant contributions to the field through her work on the Winter Fog Experiment (WiFEX) project at the IGI Airport in India, one of the busiest and most populated airports in the country. As part of the IGAC project, Rachana ensures that the team is meeting its goals and making meaningful contributions to the scientific community. Her research has been crucial in informing policies and practices related to air quality and public health.