To study the efficacy of nalbuphine and magnesium sulphate with ropivacaine for quality of supraclavicular brachial plexus block and post operative analgesia

Supraclavicular brachial plexus block is the most frequently used approch for anaesthesia and post operative analgesia for surgeries of upper limbs. Various adjuvants are added to local anesthetics for prolonging duration of analgesia. This will be a prospective randomised double blind study which will be done to compare the efficacy of nalbuphine and mahnesium sulphate as adjuvants to ropivacainae and ropivacaine alone in supra claviculaaar brachial plexus block using nerve stimulator