Background of the study: All over the globe anxiety was present among young adolescence. They are fear of infection and away from real education and fewer confidants to manage Covid pandemic situation.Objectives: Study investigated to assess the pre and posttest level of knowledge on social anxiety among First year nursing students in Covid -19 pandemic.Material and Methods: Experimental study done to assess the effectiveness of level of knowledge on reduction of social anxiety among first year nursing students in Covid-19 Pandemic among 100 Basic BSc 1st year nursing students. Self-prepared questionnaire selected as a tool for pre and post intervention which was validated by the expert .Ethical permission taken before conduction of study .samples chosen as per inclusion criteria of the study. Samples were explained well the purpose of the study .Pre taken with help of questionnaire and after seven days post taken and data analyzed as per objectives of the study.(Level of knowledge score was good8-29 ,average 4-7and poor 0-3 )Results: In this study pretest knowledge score was 16%, 72% and 12% as poor, average and good knowledge .post-test knowledge score was 0 %, 16% and 84% as poor, average and good knowledge. Pretest test SD1.565 and posttest SD 1.1.69 which was extremely significant.(p<0.ooo1)Conclusion: Finding of the study shows that self-instructional module was effective to increase the level of knowledge among the 1st year Basic B.Sc. student in covid-19 Pandemic.