Rule no. 116(2) (ii): "Loss of three volumes per one thousand volumes issued/consulted in a year may be taken as reasonable provided such loss can not be attributed to dishonesty or negligence on the part of Librarian. Loss of a book of the value exceeding Rs.200 (Rupees Two hundred) and the books of special nature and rarity shall invariably be investigated and consequential action taken. All such losses will however be written off only by a competent authority."
As per General Financial rules 2005 Govt. of India, loss of books up to 5 books per thousand books issued/consulted can be considered reasonable.
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See page 73 last paragraph and page 74 first and second paragraphs of the document after downloading it for details.
“Swamy's Handbook' Pg. 399 (1999 edition) under the heading "Special Procedure for Library Books".
Loss of 3 books/1000 issues cannot be attributed to dishonesty or negligence of the librarian.
The Directorate of the Technical education in the Letter No FAR/14353 Dated 31/12/1974 has stated that a conference of Librarians of the colleges in Karnataka University was held on May 8 1973. In this a resolution passed. It is recommended that a loss of 4 books for every 1000 books used (those which are lent out and those which are consulted in the premises of the library) be regarded normal loss and should be straight away writes off. Order No.FD 25 TCL 74: Bangalore, Dated 18/JUNE/1974 by order and in the name of the government of Karnataka.
The UGC (India) Library Committee forcefully recommends to write off an inevitable loss @ 2 for every 1000 books issued.
However in an open access library, annual loss of 3 volumes for every 1000 issues should be considered as a normal loss in normal circumstances as recommended by Dr. Ranganathan. REF: Mittal, R. L. Library Administration: Theory and Practice, Fifth ed., 1987, p357-359.