He was appointed as Heir Presumptive and invested with the title of Sultan and Yang di-Pertuan Muda of Perlis and Kedah, with the style of Duli Yang Maha Mulia, and granted Perlis, Kubang Pasu, Setul and Langu in fief, 1770. He succeeded on the death of his elder half-brother, 1 September 1797. He ceded Seberang Perai (Province Wellesley) to the Honourable East India Company (HEIC) in return for an annual stipend on 7 July 1800.