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). | |
|---|---|---|---|---|---|---|
| Pharmacy | HSP | 141 | IITM Institute Hospital | 8336 | ||
| PHLTAX PECVD Lab | HSB | Department of Humanities and Social Sciences Block | 5857 | |||
| Photo Chemistry Lab 1 | CYB | Department of Chemical Engineering | 5233 | |||
| Photo Chemistry Lab 2 | CYB | 222 | Department of Chemical Engineering | 5234 | ||
| Photographic Section | ICSR | 404 | Industrial Consultancy & Sponsored Research Building | 5932 | ||
| Photonics Lab | HSB | 225 | Department of Humanities and Social Sciences Block | 5874 | ||
| Physical Chemistry (DENTRIMER) 1 | CYB | 353 | Department of Chemical Engineering | 5247 | ||
| Physical Chemistry (DENTRIMER) 2 | CYB | 353 | Department of Chemical Engineering | 5248 | ||
| Physical Metallurgy Lab 1 | MSB | 204 | Mechanical Sciences Block | 5778 | ||
| Physical Metallurgy Lab 2 | MSB | 203 | Mechanical Sciences Block | 5779 | ||
| Physical Property Measurement System | HSB | 140 | Department of Humanities and Social Sciences Block | 5847 | ||
| Physical Research Lab (Catalysis) | KCL | 203 | Department of Chemistry | 5230 | ||
| Physics Dept Fax | HSB | 207 | Department of Humanities and Social Sciences Block | 4852 | ||
| Physics Dept HOD | Department Head, Physics | HSB | 205 | Department of Humanities and Social Sciences Block | 4851 | phhead |
| Physics Dept Office | HSB | 207 | Department of Humanities and Social Sciences Block | 4850 | phoffice | |
| Physics Stores | HSB | 102 | Department of Humanities and Social Sciences Block | 5858 | ||
| Physiotheraphy | HSP | 142 | IITM Institute Hospital | 8340 | ||
| PI's room 1 | NAC1 | 6 | New Academic Complex | 8915 | ||
| PI's room 2 | NAC1 | 6 | New Academic Complex | 8916 | ||
| Piezo Electric Sensors Lab | ASE | 157 | Aerospace Engg. Building | 5078 |