Complex sentence: Although, Nawab was given a 3 year extension so he could continue working at POF and Mr. Ghulam Ishaq Khan was transferred to the Ministry of Finance where he served as the Minister of Finance in Zia's administration.
Split into simpler sentences: Although, Nawab was given a three year extension so he could continue working at POF. In addition, Mr. Ghulam Ishaq Khan was transferred to the Ministry of Finance where he served as the Minister of Finance in Zia's administration.