Ayub Khan's era in Pakistan, marked by martial law from 1958, involved military intervention in politics due to incompetence among politicians and the army's perception of itself as the nation's guardian. Key reforms during his rule focused on rapid industrial and agricultural growth, introducing the 'decade of development' alongside a new constitution in 1962 to establish a democratic Islamic republic. However, his administration faced criticism for corruption and nepotism, leading to his eventual downfall despite some economic advancements.