It is assumed to be the purported location of the ashes of Netaji Subhas Chandra Bose, Indian revolutionary, which have been preserved since September 18, 1945.

[clarification needed] It belongs to the Nichiren sect of Buddhism that believes that human salvation lies only in the Lotus Sutra.

According to the findings of the G.D. Khosla Commission, appointed by the Government of India in 1970, Subhash Chandra Bose's ashes were placed in the box at Taipei following the cremation of his remains.

It is customary for Indian officials arriving in Japan to travel to Renkoji, to offer prayers and pay respect to Bose at the pagoda that protects his remains: Prime Minister Jawaharlal Nehru was the first dignitary to visit the site in October 1957.

[7] Controversy increased when Prime Minister Narendra Modi did not visit the temple even when he was requested by the Indian High Commission in Japan.