Conservation Activities
One of the basic functions of the National Library is to conserve the printed heritage for future generations. For this purpose the library has separate divisions for physical, chemical, reprographic and digital conservation.

Physical Conservation
Books damaged by human error or by natural causes are mended, repaired and bound in the Binding division. Journals are bound by volume.

Chemical Conservation
The Laboratory division of the library, established in 1968, is taking care of the chemical treatment of books. Advanced procedures of chemical treatment are adopted to restore brittle and damaged books. The library is in the process of developing non-chemical treatment system for the preservation of printed materials. An indigenously developed fumigation chamber is being used to destroy the eggs and larvae of insects and termites. Encapsulation is another method of preservation that has been developed by the library.

Reprographic Preservation

Most of the 19th century newspapers, Arabic, Persian and Sanskrit manuscripts have already been microfilmed 5000 rolls of microfilms are already produced so far by the Reprography division.




 The Chemical Laboratory

 Old Books being Scanned



The scanning and archiving of old, rare and brittle documents of the Library started during 1998-99. English books and documents published before 1900 and Indian publications preceding 1920 are considered for digitisation. 9140 selected books in Indian and English languages i.e. over 3.2 million pages.have already been scanned and stored in CDs and DVD and serving the public through the designated clients


The third phase of the Digitization Project started from 31 Jan 2012, around 3,200 bengali books already been scanned and they are in process. Presently English books are in progress. The project targeted for 20 lakhs pages in 12 months.


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