After the death of Shahzada Habibullah Khan Sadozai father of Shahzada Rehamatullah Khan Sadozai then his uncle, Sardar Abdul Majeed Khan Durrani, became his guardian. He soon assumed control of his father's business Khan Brothers Reg 1900 as first formal educated male of his family. His good friends was Khan Abdul Ghafoor Khan Durrani the Popalzai Durranies Chief in Balochistan & Qazi Muhammad Essa a well known leader of All-India Muslim League in Balochistan were backbone in the Pakistan Independent Movement aside by Founder of Pakistan from Balochistan Province. He made a strong career by serving as a social welfare volunteer, politician and one of the great Pashtun tribal sadozai chief. He was sponsor of an Adventurers Association and football club in Quetta. His father-in-law Khan Mohammad Sadeeq Khan Ghalzai was from Loralai and Peer Zainudin Algillani, Meer Ghulam Nabi Marri, Haji Mohammad Hashim Khan Ghalzai, Haji Mirza Khan Peichi of Loralai were his realible friends.
Family
Sardar Ahmad Khan Sadozai Durrani Saddozai Qomi Welfare Organization Balochistan, and Noorullah Khan Durrani, former Mr. Runner-up Pakistan in all Pakistan Body Building contest 1967 settled in Harran Norway are 1st and 2nd sons of Shahzada Rehmatullah Khan Durrani. The famous mountaineer and caving legend of Pakistan Hayatullah Khan Durrani is his seventh son and Habibullah Khan Sadozai settled in United Kingdom is his eighth and last son and Pakistan's Junior & Senior CanoeKayak Champion; Mohammad Abubakar Durrani is his grandson.
Political career
Rehmatullah Khan Durrani was an activist with the Muslim Students Federation Balochistan. Khan Abdul Ghafoor Khan Durrani, leader of the Muslim League, introduced him with the Quaid-e-Azam. He performed major role in the Pakistan independence movement aside with Qazi Muhammad Essa and Khan Abdul Ghafoor Khan Durrani head of All-India Muslim League in Balochistan especially in Quetta as a loyalist Muslim league friend of Mohammad Ali Jinnah Quaid-e-Azam , the founder of Pakistan. 15th June 1948 Shahzada Rehmatullah Khan Sadozai had a meeting with Mohammad Ali Jinnah and Fathima Jinnah on the eve of presentation of civic address in Town Hall Quetta and discussed various matter. Civic address 15-6-1948.
As volunteer
Durrani helped the victims of the 1935 Quetta earthquake and was the chief of the Sadozai tribe in Balochistan. He founded the Sadozai Qaumi Welfare Organization. He died from cancer on 29 November 1992 at the age of 73.
