This work is in the public domain in the United States and the source country. In most cases, this means that its copyright expired under the law of the source country and it was either published prior to January 1, 1929 or its copyright also expired under the law of the United States. Its copyright has also expired in those countries with a copyright term of life of the author plus 50 years or less.
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This work was first published in Bangladesh and is now in the public domain because its copyright protection has expired by virtue of the Copyright Act, enacted 2000 (details). The work meets one of the following criteria:
It is an anonymous, pseudonymous or posthumous work and 60 years have passed since the year of its publication
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