Children are our future and our most precious resources. Today’s children are the citizen’s of tomorrow’s world. The Integrated Management of Neonatal and Childhood Illness (IMNCI) focuses on strengthening home based care and provides special care for malnourished underfive children. A Descriptive research design and quantitative research approach was adopted. 50 nurses in Primary Health Centres at puducherry were selected for the study by using purposive sampling technique and the study done at selected PHC at puducherry. By using knowledge questionnaires, attitude and competency checklists questionnaires. The study reveals that out of 100% of nurses 62% has adequate knowledge, 32% had moderate knowledge and 6% had inadequate knowledge. In attitude 76% has Good attitude, 24% had poor attitude and none of them had very poor attitude. In competency 64% has adequate practice, 36% had moderate practice and none of them had inadequate practice. The nurses have adequate knowledge, and good attitude and competency of IMNCI. Thus most of the nurse have adequate knowledge, attitude and competency of nurses in assessment and treatment of under five children based on IMNCI guidelines
