Complex sentence: Although, eventually Islamullah was promoted to Director General and Colonel Commandant and Khan was promoted to Director General too and uniquely honored twice with the Nishan E Imtiaz for his service to the country.
Split into simpler sentences: Although, eventually Islamullah was promoted to Director General and Colonel Commandant. Similarly, Khan was eventually promoted to Director General too and uniquely honored twice with the Nishan E Imtiaz for his service to the country.