Introduction: Stress is a common feature in all our lives. It is often seen as a negative emotion but stress plays an important role in the survival Objectives: To assess the level of stress among the 1st year B.Sc nursing students. 2. To determine the effectiveness of Pranayama on the level of stress among the 1st year B.Sc nursing students. 3. To associate the pre and post test level of stress with socio demographic variables of 1st year B.Sc nursing students. Material And Methods: Quantitative research approach with one group Pre test post test research design was adopted for the study which was conducted in Narayana College of Nursing. 60 students of 1st year B.Sc Nursing. Recruited in the study by simple random sampling by using lottery method. Sampling technique. Modified student stress scale, was used to assess the level of stress. Data was analysed by using descriptive and inferential statistics. Percentages of categorical variables were computed. Results: It indicates that in pre test 15(25%) students had mild stress, 22(36.7%) students had moderate stress, and 23 (38.3%) students had severe stress. In post test 15(25%) students had very mild stress, 29(48.3%) students had mild stress and 16(26.7%) had moderate stress. Conclusion : Pranayama is effective in reducing The Level Of Stress Among The 1st Year B.Sc Nursing Students.