Location:-Near Chandni chowk metro.
Ticket Price:-35 for Indians and 500 for foreigners.
It is a ruined fort in Delhi.built by Ghiyas-us-din Tughlaq, the founder of Tughlaq dyansty. of the delhi Sultanate of India in 1321, as he established the third historic city of Delhi, which was later abandoned in 1327. It lends its name to the nearby Tughlaqabad residential-commercial area as well as the Tughlaqabad Institutional Area. Tughlaq also built Qutub badarpur Road, which connected the new city to the Grand trunk road. The road is now known as Mehrauli badarpur road.And
If you are fond of photography then definitely go to this fort, the view from inside the fort is very cool.
Location:-Near saket metro station
Ticket price:-20 per person.