Diditi Mitra is a sociologist. Her work focuses on social stratification, with a focus on race and ethnic stratification and international migration. Her book, Punjabi Immigrant Mobility in the United States: Adaptation through race and class (2012), is based on her work on immigrant Sikh yellow cabbies in the New York metropolitan area. She has also co-edited, with Joyce Weil, a collection of essays on race, ethnicity and age: Race and the Lifecourse: Readings from the intersection of race, ethnicity and age (2014). Her articles have appeared in various academic journals. Currently, Diditi teaches in the Department of Sociology/Anthropology/Human Geography at Brookdale Community College. She earned her doctoral degree in Sociology from Temple University.

An accomplished Kathak dancer, Diditi was for many years a member of the Philadelphia dance-theater group, Courtyard Dancers. She now teaches Kathak privately.  Diditi is also a published poet; her poems have appeared in  Kafla Intercontinental and South Asian Ensemble.