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Chennai Mathematical Institute (CMI) Contact No.

Updated on Friday, 25 September 2026 - 4:55pm
All India Number(s): 
  • 044-7196 1000 (For Contact Support)
Website: 
Official Website

Email

  • admissions [at] cmi [dot] ac [dot] in (For Admission Related Query)
  • enquiry [at] cmi [dot] ac [dot] in (For General Query)

Intercom Directory

To call an extension from outside, dial 7196 10xy, where xy are the last two digits of the extension.
Use +91 44 for international calls and 044 for calls within India.

Sr No. Name Extension No
1 K. G. Arun 956
2 V. Balaji 988
3 Aiswarya Cyriac 972
4 Clare D'Cruz 916
5 Sourish Das 969
6 Samir Datta 948
7 Priyavrat C. Deshpande 962
8 Krishna Hanumanthu 912
9 Aditya Karnataki 975
10 Govind Krishnaswami 911
11 Upendra Kulkarni 952
12 Manoj Kummini 915
13 Alok Laddha 950
14 K. Narayan 917
15 K. Narayan Kumar 927
16 Sukhendu Mehrotra 918
17 Pranabendu Misra 982
18 Partha Mukhopadhyay 951
19 Madhavan Mukund 906
20 Prajakta Nimbhorkar 953
21 Siddhi Pathak 986
22 G. Philip 957
23 Patrick Polo. 941
24 M. Praveen 966
25 Purusottam Rath 947
26 Parameswaran Sankaran 922
27 Amit Kumar Sinhbabu 985
28 S. Senthamarai Kannan 944
29 V. V. Sreedhar 913
30 R. Srinivasan 914
31 B. Srivathsan 960
32 K.V. Subrahmanyam 928
33 M. Sundari 942
34 S.P. Suresh 946
35 Amitabh Virmani 959
36 V Arvind 977
37 Sajad Ahmad Bhat 979
38 Y. Chandramouli 987
39 Sourav Das 963
40 Ghanashyam Date 971
41 Jayanth Guhan 976
42 Varun Gupta 974
43 Murugeswari Issakkimuthu 980
44 Rajeeva L. Karandikar 921
45 Usha Mahadevan 964
46 H. S. Mani 908
47 Madhu Misra 981
48 Snehajit Misra 978
49 Suhas B N 974
50 Amrutha P 987
51 T. R. Ramadas. 924
52 B. V. Rao 925
53 Nabanita Ray 978
54 Poulami Dutta Roy 965
55 Shibasis Roy 973
56 Kamalesh Saha 964
57 Sharad S. Sane 971
58 Bala Sathiapalan 907
59 Amit Kumar Singh 967
60 M. R. Srinivasan 907
61 Mandayam Srivas 958
62 V. Swaminathan 967
63 Pascal Weil 923
64 Research Scholars 931, 932, 935, 938
66 Visitors (Music Room) 995
67 Visitors (406) 965
68 Visitors (701) 970
69 Visitors (702) 971
70 Visitors (705) 974
71 Visitors (709) 978
72 Visitors (710) 979
73 Venu Santhakumari 901
74 Ranjini Girish 902
75 Sathishkumar A 903
76 Rajeshwari Nair 904
77 Nisha John 919
78 N. Vikash 920
79 Director 906
80 COO 901
81 Registrar 904
82 Administration 901, 902, 903, 919, 920
83 S. Giridhar 910
84 A. Sankaranarayanan 996
85 Saju Varughese 997
86 Siva Subbu Raj 909
87 Librarian 904
88 Canteen Manager 997
89 Personnel Manager 909
90 Facilities Manager 910
91 System Engineer 996
92 Computer Lab 990
93 Library (ground floor) 993
94 Physics Lab (ground floor) 991
95 Security 900, 999

Administrative Contact Details

Sr No. Name Designation Email
1 Ranjini Girish Accounts Officer granjini [at] cmi [dot] ac [dot] in
2 Nisha John Accounts/Administrative Executive nishajohn [at] cmi [dot] ac [dot] in
3 T. Jothi Electrician Cum Plumber jothi [at] cmi [dot] ac [dot] in
4 Daniel Lawrence Plumber Cum Electrician daniel [at] cmi [dot] ac [dot] in
5 Rajeshwari Nair Registrar raj [at] cmi [dot] ac [dot] in
6 A. Sankaranarayanan Systems Engineer asankar [at] cmi [dot] ac [dot] in
7 Venu Santhakumari Chief Operating Officer venu [at] cmi [dot] ac [dot] in
8 Sathishkumar A. Administrative Assistant sathish [at] cmi [dot] ac [dot] in
9 N. Vikash Accounts Assistant nvikash [at] cmi [dot] ac [dot] in

Department Wise Officers Contact Details

Sr No. Name Designation Contact No. Email
Mathematics
1 V. Balaji Distinguished Professor 044-27470226, 044-27470229, 044-32983441, 044-32983442, 044-27470225 balaji [at] cmi [dot] ac [dot] in
2 Clare D'Cruz Professor 044-30983441, 044-30983442,
Fax:044-27470225		 clare [at] cmi [dot] ac [dot] in
3 Sourish Das Associate Professor 044-71961069, sourish [at] cmi [dot] ac [dot] in
4 Priyavrat C. Deshpande Associate Professor 044-67480962 pdeshpande [at] cmi [dot] ac [dot] in
5 Krishna Hanumanthu Associate Dean 044-71961000 krishna [at] cmi [dot] ac [dot] in
6 Rajeeva L. Karandikar Professor Emeritus 044-30983441, 044-30983442,
Fax:044-27470225		 rlk [at] cmi [dot] ac [dot] in
7 Manoj Kummini Associate Professor 044-71961015 mkummini [at] cmi [dot] ac [dot] in
8 Siddhi Pathak Assistant Professor - siddhi [at] cmi [dot] ac [dot] in , siddhi [dot] pathak [at] outlook [dot] com
Computer Science
9 Madhavan Mukund Director 044-71961000, 9444992990
Fax: 044-27470225		 madhavan [at] cmi [dot] ac [dot] in
10 K. V. Subrahmanyam Dean of Studies 044-71961028, 9445390492 kv [at] cmi [dot] ac [dot] in
11 C. Aiswarya Associate Professor 044-71961072 -
12 Samir Datta Professor - sdatta [at] cmi [dot] ac [dot] in
13 Partha Mukhopadhyay Professor - partha [at] cmi [dot] ac [dot] in
14 K. Narayan Kumar Professor 044-27470226, 044-27470229 kumar [at] cmi [dot] ac [dot] in
15 M. Praveen Associate Professor 044-67480966,
Fax: 044-27470225		 -
16 Siddharth Pritam Associate Professor - spritam [at] cmi [dot] ac [dot] in
17 B. Srivathsan Associate Professor 044-71961060 sri [at] cmi [dot] ac [dot] in
18 S. P. Suresh Professor 044-71961000 spsuresh [at] cmi [dot] ac [dot] in
Physics
19 K G Arun Professor - kgarun [at] cmi [dot] ac [dot] in
20 Govind S. Krishnaswami Professor 044-71961011, 044-27470226, 044-27470227, 044-27470228, 044-27470229
Fax: 044-27470225		 -
21 Ajit Kumar Mehta Associate Professor - ajitkm [at] cmi [dot] ac [dot] in , ajitkm9141 [at] gmail [dot] com
22 K. Narayan Professor - k [at] cmi [dot] ac [dot] in

Placement Cell Contact Details

Sr No Name Contact No. Email
1 Prof. Priyavrat Deshpande 044-67480962 pdeshpande [at] cmi [dot] ac [dot] in
2 Prof. M. Praveen 8903873104 praveenm [at] cmi [dot] ac [dot] in
3 Ananya Kaushal 9844209423 ananyak [dot] mds2023 [at] cmi [dot] ac [dot] in
4 Ananya Sinha 7834879883 ananyas [dot] mds2023 [at] cmi [dot] ac [dot] in
5 Bibek Paul 6009115838 bibek [dot] mds2023 [at] cmi [dot] ac [dot] in
6 Dharmi Malde 9428761661 dharmi [dot] mds2023 [at] cmi [dot] ac [dot] in
7 Divyanshi Kumari 7001766369 divyanshi [dot] mds2023 [at] cmi [dot] ac [dot] in
8 Gauranga Kumar Baishya 7086090441 gauranga [dot] mds2023 [at] cmi [dot] ac [dot] in
9 Om Ambaye 9029974626 ambaye [at] cmi [dot] ac [dot] in

Anti Ragging Committee Contact Details

Contact No.: 18001805522 (National Anti-Ragging Helpline, 24x7),
Email: helpline [at] antiragging [dot] in , antiragging [at] c4yindia [dot] org (UGC Monitoring Agency)
Student Grievance Redressal Committee: sgrc [at] cmi [dot] ac [dot] in
CMI Anti Ragging: disco [at] cmi [dot] ac [dot] in

Sr No. Name Contact No. Email
1 Clare D'Cruz 044-71961016 clare [at] cmi [dot] ac [dot] in
2 Krishna Hanumanthu 044-71961012 krishna [at] cmi [dot] ac [dot] in
3 K. G. Arun 044-71961056 kgarun [at] cmi [dot] ac [dot] in
4 Purusottam Rath 044-71961047 rath [at] cmi [dot] ac [dot] in

Internal Complaint Committee Contact Details

Email: grievance-committee [at] cmi [dot] ac [dot] in

Sr No. Name Contact No.
1 C. Aiswarya 044-71961072
2 Usha Mahadevan 044-71961061
3 Pranabendu Misra 044-71961045
4 Nisha John 044-71961019

Headquarters

Chennai Mathematical Institute,
H1, SIPCOT IT Park, Siruseri,
Kelambakkam 603103
Contact No.: 044-27470226
Fax: 044-27470225

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