The reign of Shahjahan from 1628 to 1658 was the golden age of Mughal architecture in India that produced a series of noble buildings. But, the most prominent and undoubtedly magnificent of all these was Taj Mahal built by him in the memory of his favorite wife Mumtaz Mahal. There are very few buildings in the world with which so many of legends and literature has been produced and so many architects to take credit of the design of this symbol of love.
Architecturally, Taj was the greatest peace of architecture that Mughals produced, but it is a natural growth from the tomb of Humayun and to a lesser extent from certain other, prominent is the Tomb of Itmad-ud-Daulah in Agra itself. But it is far superior to any of them in the dignity of its grouping and disposition, in the masterly contrast between the central dome and the slender minarets, in the chaste refinement and painstaking craftsmanship of its details, and above all in the splendor of its materials. The design of Taj is more Persian and less Indian than any building we have encountered, but it is again difficult to find any thing of Taj's stature in Persia (Iran).
Broadly, the Taj complex can be divided in Four distinct parts to understand its design and architecture. These are: