Anxiety is a common problem in patients undergoing invasive medical procedures. Endoscopy is a demanding procedure and requires a patient?s good cooperation for successful results. Quantitative research approach with descriptive research design was adopted to achieve the aim of the present study. The study was carried out at IGGGH & PGI , Puducherry, to assess the level of anxiety among clients undergoing upper gastro endoscopy. The demographic data was collected from the clients who fulfill the inclusion criteria. The level of anxiety was assessed by Strait Trait Anxiety Inventory ? Y- 1 (STAI-Y-1) scale. The conceptual frame work of the study was based on Imogene king?s proposed goal attainment model (1971) of nursing. 30 Samples were selected by Simple random technique by using lottery method. The study findings revealed that, Majority (33.3 % ) of the clients were belongs to the age group of 31 ? 40 years, among that most of them were male and graduates, 93 % were residing in urban , 50 % earns between Rs.10, 001 ? Rs. 15, 000.Greater part (40 %) of the clients came for endoscopy with other gastro intestinal symptoms and 55 % of the client heard through family members and 45 % obtained the information through friends. According to the level of anxiety, majority (93%) of them shows severe anxiety and 7 % shows moderate level of anxiety. There was no statistically significant association between the level of anxiety with the selected demographic variables such as age, gender and educational status, residence, income and reason for endoscopy.It concludes, majority (93%) of them shows severe anxiety and 7 % shows moderate level of anxiety towards the procedure. Hence, it concluded that most of the clients were severely anxious about the procedure