On 1 August 1918, he was appointed Raja Bendahara and four months later on 18 December 1918, he was appointed Raja Muda (Crown Prince) upon the passing of Sultan Abdul Jalil and resided in Teluk Anson, the place where he was born. Became the Raja Muda of Perak in 1919 during the reign of his brother-in-law, Sultan Iskandar Shah Ibni Almarhum Sultan Idris Murshidul Adzam Shah Rahmatullah. He became the 31st Sultan of Perak in 1938 succeeding Sultan Iskandar Shah.