| Reception | 1000 | 021 221 8101 |
| Vice Chancellor Office | | |
| Vice Chancellor | 1101 | 021 221 8102 |
| Vice Chancellor Office | 1102 | 021 221 8103 |
| Vice Chancellor Office (Fax) | 1103 | 021 221 8104 |
| Registrar Office | | |
| Registrar | 1121 | 021 221 8105 |
| Registrar Office | 1122 | 021 221 8106 |
| Registrar Office (Fax) | 1123 | 021 221 8107 |
| Academic & Publication Branch | | |
| Assistant Registrar -Academic | 1185 | 021 221 8124 |
| Administration | | |
| Senior Assistant Registrar -Administration | 1155 | 021 221 8112 |
| Admissions Branch | | |
| Senior Assistant Registrar -Admissions | 1175 | 021 222 6714
|
| Internal Audit Branch | | |
| Deputy Internal Auditor | 1195 | 021 221 8127 |
| Capital Works & Planning Branch | | |
| Deputy Registrar -Capital Works | 1151 | 021 221 8111 |
| Academic Establishment Branch | | |
| Senior Assistant Registrar - Academic Establishment | 1161 | 021 221 8114 |
| Establishment Branch | | |
| Establishment (N/A) - Senior Assistant Registrar | 1165 | 021 221 8116 |
| Establishment (N/A) - Fax | 1167 | 021 221 8117 |
| Examinations Branch | | |
| Examinations - Deputy Registrar | 1174 | 021 222 3609 |
| Examinations - Assistant Registrar | 1171 | 021 221 2880 |
| Examinations - Office | 1172 & 1173 | |
| External Examination unit | | |
| Assistant Registrar - External Examination | 1191 | 021 221 8125 |
| External Examination - Fax | 1193 | 021 221 8126 |
| Finance Branch | | |
| Bursar - Finance | 1131 | 021 221 8108 |
| Finance - Office | 1132 | 021 221 8109 |
| Finance - Fax | 1133 | 021 221 8110 |
| Finance Branch | 1143 | |
| Health Centre | | |
| University Medical Officer - Health Centre | 1205 | 021 221 8130 |
| Maintenance Branch | | |
| Works Engineer - Maintenance | 1201 | 021 221 8128 |
| Marshal Office | | |
| Deputy Chief Marshal | 1215 | 021 221 8132 |
| Physical Education Unit | | |
| Director - Physical Education | 1211 | 021 221 8131 |
| Security office | | |
| Chief Security Officer | 1221 | 021 221 8133 |
| Welfare Branch | | |
| Assistant Registrar -Welfare | 1181 | 021 221 8122 |
| Career Guidance Unit | | |
| Director - Career Guidance | 1235 | |
| Computer Unit | | |
| Head - Computer Unit | 5181 | 021 221 8195 |
| Library | | |
| Assistant Registrar - Library | 1401 | 021 221 8137 |
| Librarian | 1411 | 021 221 8136 |
| OTS | | |
| Director - OTS | 1231 | 021 221 8134 |
| Student Counselor Office | | |
| Senior Student Counselor | 1241 | 021 221 8135 |
| Faculty of Arts | | |
| Dean - Arts | 2101 | 021 221 8150 |
| Senior Assistant Registrar -Arts | 2104 | 021 221 8152 |
| Head - Christian Civilization | 2121 | 021 221 8153 |
| Head - Dance | 2441 | 021 221 8168 |
| Head - Econot in usemics | 2141 | 021 221 8155 |
| Head -Education | 2161 | 021 221 8156 |
| Head - English Language Teaching Centre | 2381 | 021 221 8167 |
| Head -Fine Arts | 2181 | 021 221 8157 |
| Head - Geography | 2201 | 021 221 8158 |
| Head -Hindu Civilization | 2221 | 021 221 8159 |
| Head - History | 2241 | 021 221 8160 |
| Head -Law | 2261 | 021 221 8161 |
| Head - Linguistic and English | 2281 | 021 221 8162 |
| Head - Music | 2461 | 021 221 8169 |
| Head - Philosophy | 2301 | 021 221 8163 |
| Head -Political Science | 2321 | 021 221 8164 |
| Head -Sanskrit | 2131 | 021 221 8154 |
| Head -Sociology | 2341 | 021 221 8165 |
| Head - Sidda Medicine | | 021 205 7146 |
| Head -Tamil | 2361 | 021 221 8166 |
| Faculty of Management studies and Commerce | | |
| Dean - Management | 3101 | 021 221 8140 |
| Assistant Registrar -Management | 3104 | 021 221 8141 |
| Head -Accounting | 3121 | 021 221 8143 |
| Head -Financial Management | 3141 | 021 221 8144 |
| Head - Human Resource Management | 3161 | 021 221 8145 |
| Head - Marketing | 3181 | 021 221 8146 |
| Faculty of Medicine | | |
| Dean -Medicine | 4101 | 021 221 8170 |
| Dean’s Office | 4102 | 021 221 8171 |
| Assistant Registrar - Medicine | 4104 | 021 221 8173 |
| Senior Assistant Librarian -Medicine | 4131 | 021 221 8174 |
| Head - Anatomy | 4151 | 021 221 8176 |
| Head - Biochemistry | 4141 | 021 221 8175 |
| Head -Community & Family Medicine | 4181 | 021 221 8178 |
| Head - Forensic Medicine | 4171 | 021 221 8177 |
| Head -Medicine | 4271 | 021 221 8185 |
| Head -Obstetrics & Gynecology | 4241 | 021 221 8182 |
| Head - Pathology | 4211 | 021 221 8181 |
| Head - Pediatrics | 4251 | 021 221 8183 |
| Head - Pharmacology | 4191 | 021 221 8179 |
| Head - Physiology | 4201 | 021 221 8180 |
| Head - Surgery | 4261 | 021 221 8184 |
| Faculty of Science | | |
| Dean - Science | 5101 | 021 221 8190 |
| Dean’s Office Fax | 5103 | 021 221 8192 |
| Assistant Registrar - Science | 5104 | 021 221 8191 |
| Head -Botany | 5241 | 021 221 8198 |
| Head - Chemistry | 5121 | 021 221 8193 |
| Head - Computer Science | 5161 | 021 221 8194 |
| Head - Fisheries | 5281 | 021 221 8189 |
| Head - Mathematics & Statistics | 5201 | 021 221 8196 |
| Head - Physics | 5221 | 021 221 8197 |
| Faculty of Engineering | | |
| Dean -Engineering | | 021 206 2160 |
| Administration-Engineering | | 021 206 2161 |
| Faculty of Agriculture | | |
| Dean -Agriculture | | 021 206 0175 |
| Administration-Agriculture | | 021 206 0175 |
| Faculty of Technology | | |
| Dean -Technology | | 021 206 0169 |
| Administration-Technology | | 021 206 0169 |
| Faculty of Graduate Studies | | |
| Dean- Graduate Studies | | 021 222 3608 |
| Assistant Registrar -Graduate Studies | | 021 222 3608 |
| Allied Health Science Unit | | |
| Head -Allied Health Science | | 021 320 5486 |
| Office -Allied Health Science | | 021 320 5486 |
Unit of Siddha Medicine
- Deputy Registrar | | 021-223 2629 |