New Delhi, Jan 23 (ANI): Expressing happiness on declassification of Netaji Subhas Chandra Bose files, Netaji's family member Chitra Bose on Saturday said lot of important documents and letters have come to light today. She said they are hopeful that the documents would reveal truth behind Bose's death. She added that they are thankful to Prime Minister Narendra Modi, who took the initiative of carrying out the declassification of the files.