The capital city of India is filled with culture, monuments, and history. Covering an expanse of around 1,484 square kilometres, Delhi’s population comes up to 30,290,936. Delhi has a well-developed infrastructure and the Indian government headquartered there is one of the biggest employers in the city. But Delhi also has one of the worst air qualities in India. One of the largest cities of the world, Delhi also has a lot of historic landmarks.