Honours
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Degree of D. Sc., Cambridge University, 1929.
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Vice-President, Palaeobotany section, 1930 and 1935.
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Fellow of the Royal Society, London, 1936.
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General President, Indian Science Congress, 1940.
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President, National Academy of Sciences, India, 1937-1939 and 1943-1944.
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President, International Botanical Congress, Stockholm, 1950.