Inclusion Criteria:  all patients undergoing PCNL age from 12-65 years normal renal functions no history of chronic pain ASA I, II & III Both genders  Exclusion Criteria:  history of local anaesthesia allergy Redo PCNL Multiple punctures during PCNL Excessive intra-operative bleeding Diabetes mellitus Coagulopathy Mental disorder ASA IV & V Active urinary tract infection.