Requirement of analgesia- total dose of opioid and or non-opioid analgesics used over postoperative 48 hours shall be recorded Residual sensory blockade(Modified Bromage score): shall be recorded 4 hourly for 48 hours in postoperative period Residual motor blockade (Modified Bromage score):shall be recorded 4 hourly for 48 hours in postoperative period New onset motor blockade- Duration of ventilation- Time of extubation- Time of transfer to step down ICU- No of ICU hours- Post- extubation Volume achieved on incentive spirometry