Having married his first cousin, Puteri Hawa Binti Megat Osman; his uncle Dato' Lela Diraja Megat Osman Bin Megat Muhammad Ali -- who was a member of the Kelantan royal court would also be his father-in-law.
Megat Khas was educated at the Straits and Federated Malay States Government Medical School in Singapore (later renamed King Edward VII College of Medicine)(1925-1931) and soon became the first Malay to obtain Membership to the Royal College of Physicians (MRCP) in 1950.
He was Commissioner of the St John Ambulance Brigade of West Malaysia.
He died of a heart attack at 71 and is buried at the Muslim Cemetery at Jalan Kuala Kangsar, Gurap, Ipoh, Perak.
Biography of The Early Malay Doctors 1900-1957 Malaya and Singapore.