Her interest areas are Revised National Tuberculosis Control Program-Directly Observed Treatment, ShortCourse (RNTCP-DOTS) and National HIV/AIDS Control Programme (NACP) with special emphasis on harm reduction programme. Her expertise lies in working with the marginalised population in slums, tribal pockets and cut-off areas. She has a strong background in qualitative research methodologies in health systems research (HSR) and she utilises both qualitative and quantitative research methodologies, integrating behavioural research with epidemiology. She has a PhD in Anthropology from the University of Delhi.