Context: Nomo-phobia or No- Mobile Phone Phobia is described as a psychological condition   when people have a fear of being detached from mobile phone connectivity. The burden of this   problem is now increasing globally.   Aim: The aim of the study is to assess the level of knowledge and level of Nomo-phobia  among adolescent students.   Setting and Design: Research design for study was Quasi experimental-pre-test and post-test control group design.  Methods and Material: The samples of 60 adolescent students were selected to collect data  by convenient sampling technique. The tool for data collection were demographic variables,
Nomo-Phobia rating scale and structured knowledge Questionnaire regarding Nomo-phobia.  Statistical analysis used: The collected data were tabulated, analyzed and interpreted by using descriptive and inferential method.  Results: The findings of the study have shown that in experimental group majority in pre-test 16(53.3%) had moderate Nomo-phobia where as in post-test majority 21(70%) had mild  Nomo-phobia. Moreover, in control group findings showed that majority 18(6%) and 20(66.7%)   had moderate Nomo-phobia in pre-test as well as in post-test respectively. About knowledge level, in experimental group during pre-test majority (66.7%) had average  knowledge while in post-test majority (73.3%) had good knowledge regarding Nomo-phobia.   Results in control group showed that during pre-test majority (56.7%) had average knowledge and in post-test majority (63.3%) had average knowledge regarding Nomo-phobia.  Conclusion: Findings concluded that structured teaching program was very effective in
reducing level of Nomo-phobia and improving knowledge regarding Nomo-phobia among  adolescents.