"Prime Minister Narendra Modi had announced that the files related to the life of Bose would be made public when he met Netaji's family members (on October 14 last year). This would be started by the Prime Minister on January 23," Tourism and Culture Minister Mahesh Sharma said.
He said a "small gathering" of people, including family members of Bose and some leaders, would attend the event.
On October 14 last year, Modi had promised to declassify Netaji files when he met 35 members of Bose's family at his official residence.
The demand for declassification of secret files with the Centre had gathered momentum, especially after the Mamata Banerjee government in West Bengal had declassified 64 files in its possession.