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)
The full format of the email is [Email]@iitm.ac.in
List of Intercom Extensions
| NAME | ROLE | BUILDING | ROOM NO. | BUILDING NAME | OFFICE EXTN (PABX). | |
|---|---|---|---|---|---|---|
| Centre for Computational Fluid Dynamics | Near | 4930 | ||||
| Centre for Excellence in Urban Transport | BSB | 243 | Building Science Block | 5301 | ||
| Centre for NEMS and Nano Photonics | ESB | 225 | Electrical Sciences Block | 5493 | ||
| Centre for Technology and Policy (CTaP) | New BT | 411 | Department Of Biotechnology | 8951 | ||
| CFD Lab | FMB | 103 | Fluid Mechanics Building | 5077 | ||
| CFD-II | FMB | 119 | Fluid Mechanics Building | 8972 | ||
| Chairman - Computer Center | Centre Head | CC | 203 | P.G. Senapathy Center for Computing Resource | 4976 | cchead |
| Chairman : GATE | GATE | 201 | JEE/GATE Office | 8201 | ||
| Chairman : JEE | JEE | 203 | JEE/GATE Office | 8221 | ||
| Chairman TLC | Chairman | Library | 4 | Central Library | 4911 | |
| Chakravarthy Balaji | Faculty, Mechanical Engineering | HTTP | 305 | Mechanical Engineering | 4689 | balaji |
| Chakravarthy SR | Faculty, Aerospace Engineering | NCCRD | National Centre for Combustion Research and Development | 4011 | src | |
| Chand AKB | Faculty, Mathematics | NAC1 | 650 | New Academic Complex | 4629 | chand |
| Chandra Kant Mishra | Faculty, Physics | HSB | 234 | Department of Humanities and Social Sciences Block | 4860 | ckm |
| Chandra Sekhar C | Faculty | BSB | 305 | Building Science Block | 4363 | cchandta |
| Chandra TS | Emeritus Professor | CYB | 101 | Department of Chemical Engineering | 4103 | chandra |
| Chandrakumar N | Institute Chair & Emeritus Professor, Chemistry | MRI-MRS Center | Department of Chemistry | 4920 | nckumar | |
| Chandramouli P | Faculty, Mechanical Engineering | MDS | 406 | Machine Design Section | 4690 | mouli |
| Chandrasekhar Annavarapu Srinivas | Faculty, Civil Engineering | BSB | 115 | Building Science Block | 4325 | annavarapuc |
| Chem Engg. Workshop | CHL | Department of Chemical engg | 5172 |