Traditional technique for correcting Class II in a growing patient is by growth modulation. In adults Class II discrep-ancy are treated either by orthodontic or comaflauge or by surgical correction. Class II discrepancies with mandibular deficiency are treated surgically by mandibular advancement surgery. Mandibular advancement by BSSO is found to be a stable procedure. An 18 year old patient reported to the department with complains of forwardly placed upper front teeth. On examination patient had a retrognathic mandible with Class II relation. Intra orally patient had a Class II molar and incisor relation with increased overjet and overbite. The treatment plan of combination of orthodontics and surgery was employed to correct the discrepancy and obtain an aesthetic, harmonious facial profile. The mandibu-lar advancement surgery was done which accomplished the objectives of the treatment.