The Indian government Tuesday launched a comprehensive programme to improve the health of adolescents who comprise over 21 percent of the over 121 crore population in the country with a focus on community-based interventions. The Rashtriya Kishor Swasthya Karyakram (National Adolescent Health Programme) launched by union Health Minister Ghulam Nabi Azad here will comprehensively address the health needs of the 243 million adolescents. He said so far efforts have been confined to sexual and reproductive health of adolescents that too at select government facilities. The programme will bring in several new dimensions like mental health nutrition substance misuse gender based