Her current book project, Immediations: Humanitarianism, Otherness, and the Documentary Logic of Intervention (forthcoming from Duke University Press), examines the humanitarian impulse in documentary, with a special focus on the discursive encounters between childhood, animality, ethnicity, and disability. Rangan has published on topics such as documentary, ethnographic media, postcoloniality, humanitarianism, and Indian cinema in Film Quarterly, differences, Camera Obscura, South Asian Popular Culture, Parallax, Interventions, and other magazines and journals.