The primary objective of the study is to evaluate the role perioperative usage of single-dose of intranasal ketorolac on immediate post operative opioid requirements. Secondary objectives of the study are to (a) evaluate the post operative pain score 30 minutes after surgery, 1 hour after surgery, and 2 hours after surgery, (b) find the incidence of immediate (until discharge) and 24hrs post operative side effects in the target population, (c) find the level of anesthesia satisfaction in the target population, (d) find the time to discharge in the target population, (e) compare the two groups post anesthesia discharge score.