P C Mohanan retired from the Indian Statistical Service in 2015. He worked in many capacities in the National Sample Survey Office and the Central Statistical Office. He also headed the secretariat of the first National Statistical Commission. He also served as member of several committees including the Post Sachar Evaluation Committee, Expert Committee on Agricultural Statistics, Technical Group on Housing Shortage, Committee for the formulation of Slum Index etc. He has worked extensively on NSS data and published papers on Survey methodology, Employment-unemployment, Housing, Literacy, Child Labour, Unorganized Sector, Migration etc. He has also done consultancy assignments with ILO, ADB and UNDP.