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). | |
|---|---|---|---|---|---|---|
| Pace Lab | BSB | 331 | Building Science Block | 5392 | ||
| Padmanaban S | Tele Exch | Telephone Exchange | 8146 | pads | ||
| Palani Selvam T | Faculty, Chemistry | CYB | 316 | Mauritus Research Council | 4215 | palaniselvam |
| Palaniappan Ramu | Faculty, Engineering Design | ED | 314 | Department of Engineering Design | 4738 | palramu |
| Pallab Sinha Mahapatra | Faculty, Mechanical Engineering | CFD | Computational Fluid Dynamics | 4692 | pallab | |
| Panchanana Khuntia | Faculty, Physics | HSB | 119 | Department of Humanities and Social Sciences Block | 4847 | pkhuntia |
| Pandu Rangan C | Faculty | CSB | 33 | Computer Sciences Block | 4358 | prangan |
| Paneer Selvam R | Faculty, Ocean Engineering | DOE | 303 | Department of Ocean Engineering | 4807 | pselvam |
| Parag Ravindran | Faculty, Mechanical Engineering | MDS | 406 | Machine Design Section | 4714 | paragr |
| Paranjothi K | Tech staff | HSB | 142 | Department of Humanities and Social Sciences Block | 4942 | pkjothi |
| Parasuraman Swaminathan | Faculty | NAC1 | 229 | New Academic Complex | 4756 | swamnthn |
| Pattabiraman M | Faculty, Physics | HSB | 114 | Department of Humanities and Social Sciences Block | 4890 | pattu |
| Pavement Engg Lab | BSB | 103 | Building Science Block | 5278 | ||
| Pay Bill Unit | ADB | 1 | Central Administration Building | 8248 | ||
| PC Lab (M.Tech Lab) | ESB | 118 | Electrical Sciences Block | 5494 | ||
| PC Lab 1 | NAC1 | 530 | New Academic Complex | 5602 | ||
| PC Lab 2 | HSB | 256 | Department of Humanities and Social Sciences Block | 5603 | ||
| PC Maintenance Cell | CEC | Central Electronics Center | 5989 | |||
| PC Room | MRI | Magnetic Resonance Imaging | 5923 | |||
| PEI Computer Room | MSB | 339 | Mechanical Sciences Block | 5712 |