Inclusion Criteria:  Patients indicated for bilateral extraction and requiring local anesthesia technique. Patients in the age group of 18 to 35 years. Patients willing to take part in study.  Exclusion Criteria:  Patients not willing to participate in the study Patients presenting with local inflammation / tenderness at site of injection Patients who are allergic to local anesthesia Patients on antidepressant or anti-psychotic drugs Patient with history of any medical condition. Patient with history of methemoglobinemia