KEYSBOROUGH teen Rahul Kumar has been missing since Friday.
Police are appealing for public help to find the 15-year-old, who was last seen at his Wahroonga Avenue home about 8am on 28 August.
His family said his disappearance was extremely out of character.
Rahul is described as about 170cm tall and weighing about 60kg, with an olive complexion, short, straight brown hair and brown eyes.
He was last seen wearing a grey jacket, black tracksuit pants, grey tennis shoes and a white T-shirt with grey writing.
Police urged anyone who saw Rahul to call Springvale Police Station on 8558 8600.
Anyone with information can call Crime Stoppers on 1800 333 000 or submit a confidential crime report at www.crimestoppersvic.com.au