Tughlaqabad Fort (Hindi: तुग़लक़ाबाद क़िला, ،Tughlaqabad Qila) is a ruined fort in Delhi, stretching across 6.5 km, built by Ghiyas-ud-din Tughlaq, the founder of Tughlaq dynasty, of the Delhi Sultanate of India in 1321, which was later abandoned in 1327 (...) (from Wikipedia)