The Iwakuro Kikan or the I Kikan was an intelligence mission and liaison office for the Japanese Army

Imperial Japanese Army

-Foundation:During the Meiji Restoration, the military forces loyal to the Emperor were samurai drawn primarily from the loyalist feudal domains of Satsuma and Chōshū...

 and the Indian National Army

Indian National Army

The Indian National Army or Azad Hind Fauj was an armed force formed by Indian nationalists in 1942 in Southeast Asia during World War II. The aim of the army was to overthrow the British Raj in colonial India, with Japanese assistance...

 during the Second World War in the South east asian theatre

South-East Asian theatre of World War II

The South-East Asian Theatre of World War II was the name given to the campaigns of the Pacific War in Burma , Ceylon, India, Thailand, Indochina, Malaya and Singapore. Conflict in the theatre began when the Empire of Japan invaded Thailand and Malaya from bases located in Indochina on December 8,...

. Headed by Colonel Hideo Iwakuro, it succeeded the F Kikan

F Kikan

was a military intelligence operation established by the Imperial Japanese Army in the early stages of the Pacific War. Set up in Bangkok in late 1941, the unit was headed by Major Fujiwara Iwaichi, chief of intelligence of the 15th army, and was tasked to contact the Indian independence movement,...

 in liaising with the Indian Independence League

Indian Independence League

The Indian Independence League was a political organisation operated from the 1920s to the 1940s to organize those living outside of India into seeking the removal of British colonial rule over India...

 and the Indian National Army

Indian National Army

The Indian National Army or Azad Hind Fauj was an armed force formed by Indian nationalists in 1942 in Southeast Asia during World War II. The aim of the army was to overthrow the British Raj in colonial India, with Japanese assistance...

 under Captain Mohan Singh. After the revival of the INA under Subhas Chandra Bose, it was replaced by the Hikari Kikan

Hikari Kikan

The Hikari Kikan was the Japanese liaison office responsible for Japanese relations with the Azad Hind Government that replaced the I Kikan. It was initially headed by Colonel Bin Yamamoto, later replaced by Major-General Saburo Isoda....

.