Shah Jahan, Mughal emperor of India (1628–58) who built the Taj Mahal. He was the third son of Jahangir. His reign was notable for its successes against the Deccan states and his architectural achievements. His reign was also a period of great literary and artistic achievement. Shah Jahan, the fifth Mughal emperor , is renowned for his military achievements, architectural brilliance, and administrative reforms. His reign, from 1628 to 1658, saw the Mughal Empire reach its territorial peak, with notable campaigns in the Deccan and Kandahar. India - Mughal Empire, Shah Jahan , Taj Mahal: On his accession, Khurram assumed the title Shah Jahān (ruled 1628–58). Shahryār, his younger and only surviving brother, had contested the throne but was soon blinded and imprisoned. Under Shah Jahān’s instructions, his father-in-law, Āṣaf Khan, slew all other royal princes, the potential rivals for the throne. Āṣaf Khan was appointed prime minister, and Nūr Jahān was given an adequate pension. Shah Jahān’s reign was marred by ... Shah Jahan - Administration According to evidence from Shah Jahan 's reign, the army in 1648 consisted of 911,400 infantry, musketeers, and artillery men, as well as 185,000 Sowars commanded by princes and nobles. His cultural and political beginnings have been described as a type of Timurid Renaissance, in which he forged historical and political ties with his Timurid ancestors primarily through numerous unsuccessful military campaigns in his ancestral region of Balkh. Shah Jahan ...