The West Bengal government on Friday made public 64 files on freedom fighter Netaji Subhas Chandra Bose to help unravel the mystery behind his disappearance.The digitised version of the declassified 64 files were made available in a set of seven DVDs.The original files have been housed at the Calcutta Police Museum.The files comprise 12,744 pages and are available to researchers and scholars.They were handed over to descendants of Netaji and mediapersons by Kolkata Police Commissioner S.K. Purkayastha after a small ceremony at the museum.West Bengal Chief Minister Mamata Banerjee on September 11 announced her government's decision to declassify 64 files on Bose, saying the mystery surrounding his disappearance needs to be put to rest."Still the mystery surrounding Netaji's disappearance continues to be unsolved. So whatever files we have, we will declassify them which may help in unravelling the mystery."...all the 64 files that we have will be open for public. They will be kept at the city police archive," said Banerjee.