User Manual
How to Find Books from the library collection: Books are arranged according to the Dewey Decimal Classification (DDC) 22nd edition system. The call numbers consist of two parts. First part represent the Class Number (subject-indicator) of the book and Second part represent the Book Number (author and title indicator) of the book. The first three letters are taken for the book number.
The main structure of the DDC is presented below-
Layout 1: The ten main classes
| Class No. | Disciplines |
| 000 |
Computer Science, information & general works |
| 100 |
Philosophy & psychology |
| 200 |
Religion |
| 300 |
Social Sciences |
| 400 |
Languages |
| 500 |
Science |
| 600 |
Technology |
| 700 |
The Arts |
| 800 |
Literature |
| 900 |
General Geography & History |
Layout 2: Class number of some subjects
| Subjects | Class Number |
| Accounting |
657 |
| Agriculture |
630-639 |
| Ancient History |
930-939 |
| Ancient philosophy |
180-189 |
| Anthropology |
301-306 |
| Bengali Drama |
891.442 |
| Bengali Essay |
891.444 |
| Bengali Fiction |
891.443 |
| Bengali Grammar |
491.445 |
| Bengali Language |
491.44 |
| Bengali Literature |
891.44 |
| Bengali Poetry |
891.441 |
| Biography |
920 |
| Botany |
580-589 |
| The Bible |
220 |
| Chemistry |
540-549 |
| Commerce |
380-389 |
| Computer science |
033-066 |
| Economics |
330-339 |
| Education |
370-379 |
| Engineering |
620-629 |
| English Drama |
822 |
| English Essays |
824 |
| English Fiction |
823 |
| English Grammar |
425 |
| English Language |
420-429 |
| English Literature |
820-829 |
| English Poetry |
821 |
| General Biography |
920 |
| General Dictionary/ encyclopedia |
030 |
| General magazines, journals, serials |
050-059 |
| Geography |
910-919 |
| Geology |
553 |
| History |
930-990 |
| Law |
340-349 |
| Life Science |
570-579 |
| Logic |
160-169 |
| Management |
650-659 |
| Mathematics |
510-519 |
| Medical Science |
610-619 |
| Modern Philosophy |
190-199 |
| Music |
780-789 |
| Philosophy |
100-199 |
| Physics |
530-539 |
| Political Science |
320-329 |
| Psychology |
150-159 |
| Sanskrit Drama |
891.22 |
| Sanskrit Essays |
891.24 |
| Sanskrit Fiction |
891.23 |
| Sanskrit Grammar |
491.25 |
| Sanskrit Language |
491.2 |
| Sanskrit Literature |
891.2 |
| Sanskrit Poetry |
891.21 |
| Statistics |
310-319 |
| Zoology |
590-599 |
Library at a Glance