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निर्देशिका

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). EMAIL
Aerospace Office ASE 101 Aerospace Engg. Building 4000 aeoffice
AFM MSB 103 Mechanical Sciences Block 5750
AG Audit ADB 1 Central Administration Building 8252
AIDB Lab 1 BSB 366 Building Science Block 5350
AIDB Lab 2 BSB 364 Building Science Block 5351
Air conditioning Unit CWS SS 1 Central Workshop Sr. Sec. 8197
Air Research Laboratory ED 503 Department of Engineering Design 5321
Ajay Kumar Shukla Faculty NAC1 146 New Academic Complex 4762 shukla
Ajaykrishnan techstaff MSB Mechanical Sciences Block 8165 ajaypuli
Alagappan, P Faculty, Civil Engineering STR 212 Structural Engineering Laboratory 4320 alagappan
Alagusundaramoorthy P Faculty, Civil Engineering STR 306 Structural Engineering Laboratory 4276 aspara0
Alan M. Turing Seminar Hall BSB 361 Building Science Block 5380
Alternative Energy and Nanotechnology Lab 1 HSB 105 Department of Humanities and Social Sciences Block 5850
Amal Kanti Bera Faculty BT 403 Department Of Biotechnology 4121 amal
Ambulance HSP IITM Institute Hospital 8333
Ambulance HSP IITM Institute Hospital 8888
Amit Kumar Faculty, Aerospace Engineering ASE 101 Aerospace Engg. Building 4019 amitk
Amit RK Faculty, Management Studies DOMS 504 Department of Management Studies 4575 rkamit
Amitava Das Gupta Institute Chair Professor, Electrical Engineering ESB 208 Electrical Sciences Block 4416 adg
Amitava Ghosh Faculty, Mechanical Engineering MES 204 Manufacturing Engineering Section 4724 amitava_g