Built by Emperor Shah Jahan, the construction of this massive Red fort in Delhi ended in 1648 and has been since then a place of tremendous historical importance. Built of red sandstone, this royal fort contains all the trapping s of the Mughul Government, private and public halls, arched marble palaces, grand beautifully made gardens, posh apartments and a mosque. During the British rule, a number of changes wee made when the red fort became their army headquarters. Later, during independence, it was here that Prime Minister Nehru hoisted the Indian flag of independence.