Delhi is the capital of India and its level of energy, work, and enjoyment is very much. Also Delhi has such amount of interesting facts that all not know. So we together take read the amazing facts of 'Dilwalo ki Delhi'. 1. In 1911 capital of India was changed from Calcutta to Delhi but officially it was done in 13th February 1931. 2. The Qutub Minar of Delhi is the world's tallest brick minaret. 3. Delhi's Azadpur is Asia’s largest fruits and vegetable market with a supply of almost 3000 trucks daily. 4. Delhi has an interestingly International Toilet Museum. 5. Kashmiri Gate, Ajmeri Gate, Delhi Gate, Lahori Gate and Turkman Gate likewise there were 14 gates which protected Delhi but reduced only to 5. 6. The largest wholesale market for spices in entire Asia is Khari Baoli. 7. Despite of named as most polluted city, it is interesting to know that Delhi is ranked amongst top ‘green cities’ in the world, with an ecological cover of 20%. 8. The entire public transport system in the city runs on eco-friendly CNG. 9. The Delhi metro platforms are made user friendly especially for blind people. 10. It is the second most bird-rich capital in the world after Nairobi. 11. Delhi is ranked as 7th in world’s most expensive office hotspots.