A study to assess the on “Effectiveness of role play on extended and expanded role of nursing Among 2nd Year B.sc Students in selected nursing college Tirupati Ap India” was undertaken by M. Sc (N), in partial fulfilment of the requirement for the degree of Master of Science, College of Nursing, SVIMS University, Tirupati during the year 2019-2021. Objectives of the Study: 1. To assess the level of knowledge on extended and expanded roles of nursing among 2nd year B.sc nursing students in nursing college. 2. To assess the effectiveness of role play on extended and expanded role of nursing among 2nd year B.sc nursing students in nursing college. 3. To find association between level of knowledge and selected socio demographic variables of second year B.sc nursing students. Methodology: By using Non-Probability Convenient sampling technique, a pre experimental research design was adopted, 50 B.Sc. (N) 2nd year students were taken as a samples. Data collection was done by using a self-structured questionnaire. Results: the results revealed that out of 50 students in Pre-test majority 23(46%) had inadequate knowledge, 16(32%) had moderate knowledge and 11(22%) had adequate knowledge where as in post-test majority 35(70%) had adequate knowledge, 10(20%) had moderate knowledge and only 5(10%) had inadequate knowledge. Conclusion: Due to increase in day-to-day advancement every field is gaining its importance even the educational field also gaining its importance in order to improve the educational status and to increase the concentration of students it is needed to change the method of teaching and roleplay had proven to be one of the best method of imparting knowledge.