| Origin at AC Tech Building | 1947 |
| Independent Building | 1972 |
| Silver Jubilee Celebrations | 1997 |
| Library automation Commencement | 2000 |
| Library automation completed (Science city project) | 2002-03 |
| Online Information services inaugurated | 2003 | Library Portal Commissioned | 2005 | Online Information Zone (OLIZ) established | 2006 |
| Digitation of Theses inaugurated | 2008 |
| Smart class room inaugurated | 2013 |
| Name | From - To |
| Mr. S.Karuppiah | 1957-1987 |
| Dr. PA.Mohanrajan (in-charge) | 1987-1989 |
| Prof. E.Subramanian (In-charge) | 1989-1992 |
| Mrs. C.Rajeswari | 1992-1998 |
| Prof. G.Shanmugam (In -charge) | 1998-2000 |
| Dr. R.Vengan (In -Charge) | 2000-2001 |
| Dr. R.Samyuktha | 2001-2008 | Dr. K.Kaliyaperumal | 2008-2010 | Dr. R.Ambuja | 2010-2014 |
| Working days | Monday to Sunday |
| Working Hours | Mon to Fri= 8:00 A.M. to 8:00 P.M. |
| Sat, Sun & Gov.Holiday's = 10:00 A.M. to 5:45 P.M. | |
| Circulation | 8:00 A.M. to 7:30 P.M. |
| Reference | 8:00 A.M. to 8:00 P.M. |
| Periodicals / Thesis | 9:00 A.M. to 6:00 P.M. |
| Journals Archives | 8:00 A.M. to 8:00 P.M. |
| Photocopying | 10:00 A.M. to 5:30 P.M.(Mon.—Fri) | Inter Library Loan | 10:00 A.M. to 5:30 P.M.(Mon.—Fri) | OLIZ | 8:00 A.M. to 7:30 P.M. |
 P.Padhmanabhan Library Assistant |
| Ground Floor | Librarian's Chamber, Library Office, Security Desk, Counter, OPAC user terminals, Online Information Zone (OLIZ),Bulletin Boards, Data Processing Unit, Acquisition and Technical Processing, Newspapers, Card Catalogue, Display of Bulletins School-wise, Reading Hall (Books - Stack I), Reference, Reading Hall (Journal Archives -Physics and Chemistry -Stack II) Mezzanine FloorReading Hall (Journal Archives - Life Sciences - Stack III) |
| First Floor | Xerox Room, Seminar Hall, Rare Journal Archives (cubicles), Reading Hall (Current Journals), Journal Information Desk, Theses Section, Bindery preparation section. Multimedia Lecture Hall facilities available |
| Second Floor | Reading Hall (Journal Archives - Earth Science, Chemical Engineering , Textile and Leather Technology - Stack IV) |
| Year | Faculty | Ph.D | M.Phil | PG Diploma | PG | Others | Total |
| 2007-08 | 87 | 41 | 124 | 20 | 527 | 15 | 814 |
| 2008-09 | 83 | 38 | 126 | 19 | 507 | 15 | 788 |
| 2009-10 | 78 | 56 | 134 | 18 | 538 | 15 | 839 |
| 2010-11 | 75 | 58 | 115 | 21 | 613 | 11 | 893 |
| 20011-12 | 71 | 66 | 94 | 6 | 594 | 9 | 840 |