Purana Qila Delhi, also known as old fort, is believed to be the oldest fort of Delhi. It is believed that the majority portion of the current Purana Qila was constructed during the reign of Humayun and Sher Shah Suri. Located on the Mathura Road, Purana Qila is not only a historical site but has also become a popular picnic spot and lovers point. The amazing architecture, greenery around the Purana Qila and lake for boating are the major tourist attractions for the visitors visiting this place.