We are celebrated 123 Birth day of Dr. S.R. Ranganathan. He is Father of Library Science in India.every group members placed wish to birth day. He was born in Shiyali in Tanjavoor District of Tamil Nadu (then part of
Madras Presidency) in his maternal grandfather's house in North Rampart Street,
(Vadakku Madavilaga Theruvu) around 9.30 A.M. on 9th August 1892. 
Some Books : Prolegomena to Library Classification
The Five Laws of Library Science
Colon Classification
Ranganathan: the Man and the Mathematician
Classified Catalogue Code: With Additional Rules for Dictionary Catalogue Code
Library Administration
Indian Library Manifesto
Library Manual for Library Authorities, Librarians, and Library Workers
Classification and Communication
Headings and Canons; Comparative Study of Five Catalogue Codes