Aim: To evaluate the efficacy of three different anesthetics, heavy Bupivacaine, heavy Levobupivacaine, and heavy Ropivacaineused in subarachnoid block (SAB) for patients undergoing lower abdominal surgery. Material and methods: This randomized, double-blind, comparative trial evaluated the efficacy of heavy Bupivacaine, Levobupivacaine, and Ropivacaine in subarachnoid block (SAB) for lower abdominal surgery. Ninety patients were randomly assigned to three groups, each receiving 12.5 mg of the respective anesthetic. Sensory and motor block characteristics, duration of analgesia, and hemodynamic stability were assessed. Data on demographics, surgery type, and intraoperative and postoperative parameters were collected. The trial adhered to ethical guidelines with informed consent obtained from all participants. Results: The demographic characteristics were comparable across all groups, with no significant differences in age, sex, weight, height, ASA grade, or duration of surgery. Sensory block onset was fastest with Bupivacaine, followed by Levobupivacaine and Ropivacaine, though the differences were not significant. Levobupivacaine provided the longest duration of sensory block and analgesia, but without statistical significance. Motor block onset and duration were similar across the groups, as were post-operative VAS pain scores. Hemodynamic parameters remained stable during and after surgery in all groups, and the incidence of side effects, including hypotension, bradycardia, and nausea, was low and comparable. Conclusion: We concluded that the Levobupivacaine showed a slightly longer duration of sensory block and analgesia, the differences between the three anesthetics were not statistically significant. All three agents maintained stable hemodynamic parameters during and after surgery and had a similarly low incidence of side effects.