Defence Housing Authority (DHA) (Urdu: ڈیفنس ہاؤسنگ اتھارٹی). It is the second largest residential community in Pakistan. It was constitutionalised through an act of parliament in 2002, whereas, secretary defence is it chairman and it is self governing authority. Primarily aimed to develop housing for current and retired military personnel in 1970s, now sells most plots in its new projects to civilians while a portion of total plots is alloted to armed forces officers, families of martyrs and other employees as service benefit on installment payment plans ranging from 10 to 20 years.