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Mr. Kalyan Kumar Chakravarty, has given me the picture for uploading here along with other valuable information. The picture is also available in his profile at academia.edu at link, https://kalyankumarchakravarty.academia.edu/[dead link] and soon may be available on his personal website also that is under development.
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This work has been released into the public domain by its author, Kalyan Kumar Chakravarty. This applies worldwide. In some countries this may not be legally possible; if so: Kalyan Kumar Chakravarty grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
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