Universal Decimal Classification (UDC) is one of the important and widely used general schemes of library classification. The scheme is being taught both in theory and practice at Master?s degree level in the Indian Library schools and most of the foreing schools as well as especially in the European Continent. ABOUT THE AUTHOR A.A.N. Raju Prof. A.A.

N. Raju is formerly Head, Department of Library and Information Science and Dean, Faculty of Social Sciences, Osmania University, Hyderabad. Prof. Raju Published seventy five research papers in English and seventy articles in Telugu in LIS professional journals. He authored and edited fifteen books covering important facets of LIS, both in English and Telugu. he is a regular contributor to Grandhalaya Saravaswamu, the first Indian professional journal in LIS. His works include Handbook of Pseudonymous Authors in Telugu; DC, UDC and CC: A Study in Comparison; Grandhalaya Vargikarana Sidhantam; History of Library Movement in Andhra Pradesh. Grandhalaya Vargikarana Prayoga Dipika; Universal Decimal Classification: A Practical and Self Instructional Manual; Dewey Decimal Classification; Theory and Practice: A Self Instructional Manual, Colon Classification: Theory and Practice: A Self Instructional Manual and Objective Question Bank of Library and Information Science Ability Tests.

Prof. Raju has been actively associated with the professional activities, both at local and national levels. He is a life member of ILA, IASLIC, ALSD, IATLIS, APLA and IAIIR. He is also a member of ISKO. He was Vice-President of ILA, IASLIC and President IATLIS and presently Vice-President APLA, Vijayawada. He was member of UGC panel on Library Science for two term. Recipient of IATLIS-Motiwale Best Teacher Award for 1995 and UGc Emeritus Fellowship. Prof.

Raju has also been closely associated with LIS programmes of IGNOU, New Delhi, Dr. B.R.A.O.U., Hyderabad and SDLCE of Kakatiya University, Warangal as Councelor, Course Writer and Editor.