It's the stuff controversies are born out of. In the Netaji files, made public on Friday, is a secret police memo of May 1946 about a letter that was intercepted. A letter by Netaji's wife Emilie Schenkl from Vienna to Sarat Chandra Bose, Netaji's elder brother. The bottom left corner of the memo is torn. At such a crucial place, you can't but ask, did Netaji's wife believe he died in the air crash of 1945?