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Birth
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1st marriage
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B.A. in Mathematics
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M.A. in Mathematics
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Teaching Certificate
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Joined faculty at Government College in Mangalore
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Government College Coimbatore
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Period: to
Presidency College, University of Madras
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Period: to
1st Librarian at University of Madras
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Honors Certificate in Library Science
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death of 1st wife
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2nd marriage
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Five Laws of Library Science, 1st edition
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Colon Classification, 1st edition
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Rao Sahib Award
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Colon Classification, 2nd edition
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Period: to
Librarian and Professor of Library Science at Hindu University
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Period: to
Taught at the University of Delhi
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Honorary Doctor of Literature, Delhi University
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Colon Classification, 3rd edition
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Colon Classification, 4th edition
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Period: to
Research and writing in Zurich
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Padma Shri Award
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Colon Classification, 5th edition
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Period: to
Visiting professor at Vikram University
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Colon Classification, 6th edition
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founded and became head of the Documentation Research and Training Centre in Bangalore
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Period: to
Honorary Professor of the Documentation and Training Center
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Honorary Doctor of Literature, Pittsburgh University
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Honorary President of Second International Conference of Classification Research, Denmark
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National Research Professorship, India
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Margaret Mann Citation Award
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Death
