Rupture of Measles is highly contagious diseases. It is caused by paramyxovirus, with a secondary attack rate in excess of 80% that usually affects children. WHO (World Health organisation) with NPSP (National Polio Surveillance Project) and Measles Elimination and Rubella Control Programme is working rapidly in the field of measles elimination in the Bihar. Government of Bihar with IDSP (Integrated Disease Surveillance Programme) is also involved in the measles immunization and surveillance. Objective:- The purpose of the study is to study the epidemiology of measles in the Bihar during January 2016 to December 2016. Material and Methods:-Study was carried out between Jan-2016 to Dec- 2016 on the data of WHO-NPSP Measles and Rubella Elimination Programme. Department of Microbiology, Patna Medical College, Patna has WHO accredited Lab for Measles and Rubella Testing. WHO case definition is used to define measles cases / outbreak. Conclusion: -The finding highlighted proper surveillance and routine immunization of measles in Bihar.