To reach IITM telephone extensions from outside, the caller has to dial prefix (044) 2257-xxxx, where xxxx is the PABX number
For residential PABX lines (wherever provided)
- Replace 8xxx with 9xxx
- Replace 4xxx with 6xxx
If residential line is not provided "Number Not Available" or Engaged Tone will be heard.
Board PABX No : IVRS (8000) / ASR (9000)
| NAME | ROLE | BUILDING | ROOM NO. | BUILDING NAME | OFFICE EXTN (PABX). | |
|---|---|---|---|---|---|---|
| Chemical Engg Lab 1 | CHL | Department of Chemical engg | 5152 | |||
| Chemical Engg Stores | MSB | 127 | Mechanical Sciences Block | 5151 | ||
| Chemical Engg. FAX | MSB | 126 | Mechanical Sciences Block | 4152 | ||
| Chemical Engg. HOD | Department Head, Chemical Engineering | MSB | 126 | Mechanical Sciences Block | 4151 | chhead |
| Chemical Engg. Office | MSB | 126 | Mechanical Sciences Block | 4150 | choffice | |
| Chemical Engineering Lab II | MSB | 142 | Mechanical Sciences Block | 5178 | ||
| Chemical Metallurgy Lab | MSB | 103 | Mechanical Sciences Block | 5751 | ||
| Chemistry Fax | CYB | 210 | Department of Chemical Engineering | 4202 | ||
| Chemistry HOD | Department Head, Chemistry | CYB | 210 | Department of Chemical Engineering | 4201 | cyhead |
| Chemistry Office | CYB | 210 | Department of Chemical Engineering | 4200 | cyoffice | |
| Chemplast Cricket Ground | 8526 | |||||
| Chenistry Stores | CYB | 210 | Department of Chemical Engineering | 5203 | ||
| Cheque Unit | ADB | 1 | Central Administration | 8246 | ||
| Chester Dominic Rebeiro | Faculty | BSB | 336 | Building Science Block | 4355 | chester |
| Chidambaram K | Chief Manager (Admin) | ICSR | Industrial Consultancy & Sponsored Research Building | 9793 | ||
| Chidella Srinivasa Rao | Faculty, Mathematics | NAC1 | 649 | New Academic Complex | 4623 | chsrao |
| Chief Advisor - MiTR | 8523 | mitr | ||||
| Chief Executive Officer | ICSR Annex | 2 | Industrial Consultancy & Sponsored Research Building | 8432 | ||
| Chief Executive Officer | New BT | 5 | Department Of Biotechnology | 8983 | ||
| Chief Information Officer | ICSR Annex | 2 | Industrial Consultancy & Sponsored Research Building | 8431 |

