In 1947 after the partition of India, Aali migrated to Karachi, Pakistan on 13 August 1947 with his family and started his career as an assistant in the Ministry of Commerce. In 1951, he passed the CSS (civil service of Pakistan) examination and joined the Pakistan Taxation Service. He was also the Officer on Special Duty at President House from 1959 to 1963. Aali joined the National Bank of Pakistan in 1967 and remained its vice president until his retirement in 1988. In 1971, he obtained an FEL and LLB (law) degrees from University of Karachi.