Shivering frequently occurs during spinal anaesthesia for caesarean sections (CS). It might affect a patient's physiology by making them consume more oxygen, but it might also change how a parturient gives birth. Although there is speculation that it is related to intra-operative hypothermia, the exact mechanism and risk factors are still unknown. METHODS: A prospective observational study was conducted to investigate the risk variables for intra-operative shivering in patients undergoing caesarean section under spinal anaesthesia. Sixty individuals were recruited for elective caesarean section (CS) under spinal anaesthesia. Anxiety scale was used to assess anxiety levels and also ambient OT- temperature was noted (23ºC), The Bedside Shivering Assessment Scale (BSAS) was used to assess parturient shivering. Also, potential risk factors, age, weight, height, Body Mass Index (BMI), and American Society of Anaesthesiologists (ASA) score were explored. RESULTS: Therefore the overall incidence of shivering during the intra-operative period was 42 patients (70%) undergoing caesarean section. The incidence of shivering due to anxiety was (38.3%) and the incidence of shivering due to OT-temperature was (31.6%). Based on Bedside Shivering Assessment Scale (BSAS), Before administering spinal anaesthesia 65.2% of the study population showed mild anxiety levels, 17.39% with moderate anxiety levels and 4.34% with severe anxiety levels. After administering spinal anaesthesia, 52.17% showed mild anxiety levels and 26.08% showed moderate anxiety levels. So the highest incidence (38.3%) of shivering was due to anxiety. CONCLUSION: In this study, the causes of shivering in the operating room were anxiety, hypothermia, other operating room procedures like, skin disinfection, out of which anxiety being the foremost reason for shivering. Therefore, we conclude that anxiety was the prime reason for shivering during caesarean section.