Background: Immunization plays an important role for the child survival. It is the process whereby a child is made immune to an infectious disease. As per the recent WHO bulletin these life saving vaccines have been successfully averted around 20 million premature deaths and 500 million disease cases. Objectives: 1. To determine the status of primary immunization among children in Koppal. 2. To study about the Barriers for primary immunization among their parents. Methodology: Study design: Cross sectional study done at Koppal city. Study population: Children 2 years to 5 years of age Koppal city. Study period: Two months, Sampling method: Cluster sampling. Sample size: 221 children. Data analysis: Data entered in Excel Sheet and analyzed using SPPS 21. Results: . Out of 221 children 52.9% were males and 47.05 were females. In our study 75.11% were fully immunized, 24.43 were partially immunized. 80.3% of male children were fully immunized, 69.2% of females were fully immunized. The association between immunization status and literacy of parents found to be significant.