ISI headquarter is located in Islamabad, the capital city of Pakistan and the head of the ISI is known as the Director General, who has to be in Pakistan Army and a serving Lieutenant General.
ISI headquarter is located in Islamabad, the capital city of Pakistan and the head of the ISI is known as the Director General, who has to be in Pakistan Army and a serving Lieutenant General. Three Deputy Directors General appointed Beneath the Director General, and there duty is to report directly to the director General, these three are in charge in three separate wings of the ISI which are internal wing – dealing with counter-intelligence and political atmosphere inside Pakistan, The external Issues are handled by the External wing, and Analysis and Foreign Relations wing.
The general staff of the ISI are mostly appointed from paramilitary forces and some specialised units from the Pakistan Army some of them are shortlist from SS Group (SSG), SSG (N), and the SS Wing. According to latest survey the ISI is the largest intelligence agency in the world in terms of number of staff. While the total number has never been made public, according to survey the estimated officers and staff members are 10,000. Which do not include informants and assets. ISI has given the number 1 Rank in the world of spy agencies. ISI has the record that not a single agent has been caught red handed till now, not a single agent has been broken, a double agent has never been founded in ISI, and the most amazing is no one broke ISI agent till today.
The ISI headquarters are in Islamabad. The building consists of various adobe building separated by lawns and fountains. The entrance to the complex is next to a private hospital. Declan Walsh of The Guardian said that the entrance is "suitably discreet: no sign, just a plainclothes officer packing a pistol who direct visitors through a chicane of barriers, soldiers and sniffer dogs". Walsh said that the complex "resembles a well-funded private university" and that the buildings are "neatly tended," the lawns are "smooth," and the fountains are "tinkling." He described the central building, which houses the director general's office on the top floor, as "a modern structure with a round, echoing lobby."
Structure of ISI:
Joint Intelligence X: JIX:
This wing serves as the back bone of ISI it co-ordinates and provides administrative support to the other ISI wings and field organizations. It also prepares intelligence estimates and threat assessments. It provides administrative support to the other major divisions and regional organizations of the ISI.
Coordinates all the other departments in the ISI. Intelligence and information gathered from the other departments are sent to JIX.
Joint Intelligence Bureau (JIB):
JIB is the largest and most powerful wing of the ISI, its specialty is monitoring of political intelligence. Mainly it consists of three subsections, with one subsection devoted to operations against India, other operations involve, anti-terrorism and VIP security.
Joint Counter Intelligence Bureau (JCIB):
JCIB monitor’s Pakistan's diplomats, diplomatic agents and intelligence operations in the South Asia, Middle East, Afghanistan, China, and the Muslim republics of the former Soviet Union. Joint Intelligence North exclusively responsible for the Jammu and Kashmir region and Northern Areas.
Joint Intelligence/North (JIN):
Monitors ISI operations regarding Jammu and Kashmir, also keep an eye on Indian forces deployed within disputed Kashmir forcefully held by India.
Joint Intelligence Miscellaneous (JIM):
Responsible for covert offensive intelligence operations and wartime espionage.
Joint Signal Intelligence Bureau (JSIB):
It includes Deputy Directors for Wireless, Monitoring and Photos, operates a chain of signals intelligence collection stations, and provide communication support to its operatives. It also collects Intelligence through monitoring of communications channels of neighboring countries. It has a chain of stations that track and collect intelligence signals along the Indo-Pakistani border, and it provides communications assistance for freedom campaigns in Kashmir.
A sizeable number of the staff is from the Army Signal Corps. It is believed that it has its units deployed in Karachi, Lahore and Peshawar.
Joint Intelligence Technical (JIT):
No one knows more about this section however, some experts believed that JIT include a separate explosives section and a chemical warfare section. Officers from these divisions are reported to be engineer officers and military scientists who deal with the military promotion of science and technology and work on modern science and technology technics to advance the Pakistan intelligence gathering round the world.
The ISI maintains one more primary sections in addition to the seven outlined above that is the Joint Intelligence Technical division.
SSD monitors the terrorist group activities that operates in Pakistan against the state of Pakistan. The SS Directorate is comparable to that of Central Intelligence Agency (CIA) Special Activities Division, and responsible for the covert political action and paramilitary special operations.
Political wing Directorate:
Monitored the financial funding of the Right-wing political sphere against the Left-wing circles. This department was involved in providing funds to the anti-left wing forces during the 1990 general elections. The department is now "inactive" since March 2012 with the new director taking the operational charge of the ISI.
Director Generals of the ISI
- 1948–1950: Colonel Syed Shahid Hamid
- 1950–1959: MGen Robert Cawthome
- 1959–1966: BGen Riaz Hussain
- 1966–1971: MGen (then BGen) Mohammad Akbar Khan
- 1971–1978: LGen (then Maj Gen) Ghulam Jilani Khan
- 1978–1980: LGen Muhammad Riaz
- 1980 – March 1987: LGen Akhtar Abdur Rahman
- March 1987 – May 1989: LGen Hameed Gul
- May 1989 – August 1990: LGen (retd) Shamsur Rahman Kallu
- August 1990 – March 1992: LGen Asad Durrani
- March 1992 – May 1993: LGen Javed Nasir
- May 1993 – 1995: LGen Javed Ashraf Qazi
- 1995 – October 1998: LGen (then Maj Gen) Naseem Rana
- October 1998 – October 1999: LGen Ziauddin Butt
- October 1999 – October 2001: LGen Mahmud Ahmed
- October 2001 – October 2004: LGen Ehsan ul Haq
- October 2004 – October 2007: LGen Ashfaq Parvez Kayani
- October 2007 – October 2008: LGen Nadeem Taj
- October 2008 – 19 March 2012: LGen Ahmad Shuja Pasha
- 19 March 2012 – present: LGen Zaheerul Islam