The country's capital Delhi is famous all over the world due to its historical buildings.Here are some interesting facts about the Red Fort in Delhi, which you may not have known yet.Red Fort of Delhi is red in color. But perhaps you will be surprised to know that Red Fort used to be white in color.Did you know that the Red Fort was never known by this name before? It was originally known as "Qila-e-Mubarak".You will be surprised that it took 10 years to build the fort, construction of this fort was completed after a full decade.Kohinoor diamond was a part of Shah Jahan's royal throne located in Diwani-i-Khas.The two main gates of the magnificent Red Fort include the Delhi Gate and the Lahore Gate.The last Mughal emperor, Bahadur Shah Zafar, was tortured by the British in his own home i.e. the Red Fort .Red Fort has been listed as a World Heritage Site by UNESCO in 2007 for its historical and cultural significance.After subjugating the Red Fort, the British started a spree to destroy the Red Fort. There is nothing left in Red Fort.Unveiling SBI's Past: Story Behind Its Name Change