Introduction and Objectives: Rajasthan, the largest state in India has a population of 56.5 million according to 2001 census, which is about 5.50 percent of the national population. Adolescents (age group 10-19) constitute about 23 % in the state. Investment in adolescent reproductive and sexual health will yield dividends in terms of delaying age at marriage, reducing incidence of teenage pregnancy, meeting unmet contraceptive needs, reducing number of maternal deaths, reducing incidence of STIs and reducing proportion of HIV positive in 10-19 years age group. In order to address the same , this intervention was initiated in 2002 with the Objectives to incorporate the Life Skills education as a separate subject in the curriculum of the 11th class Methods : Under the UNFPA assisted Integrated Population Development Project, one of the major areas of intervention was the Adolescent Reproductive health. Three major steps were followed for the implementation: 1) Advocacy with the Board of Secondary education of Rajasthan and the Department of Education m Government of Rajsthan 2) Development of the Life Skills education subject for the 11th class with focus on Understanding Self ,Health, Reproductive Health and Career 3) Training of the Teachers for imparting the Life Skills Education . Results: Subsequent to the finalization of the modules for the Life skills education subject was pilot tested in two schools and the text books was finally launched by the Department of Education and the Board of Secondary Education of Rajasthan in 2005. Conclusion : Rajasthan state became the first state in the country, to have incorporated the life skills education as a separate subject in the curriculum of the 11th (eleven) Standard by 2006. The paper delineates the various process involved in the successful incorporation of the Life skills education in the curriculum of the 11th class .