S. No. Zone Area Office address Contact No.
1 CJ Bounded by Kaorapukur Khal, Tolly's Nalah, Circular Garden Reach Road, Diamond Harbour Road to Dimond Harbour and E. Rly. Line (Dimond Harbour Section) up to the bridge where it crosses Kaorapukur Khal near Magrahat. Directorate of Factories, Government of West Bengal, New Secretariat Buildings
8th Floor 1, K.S.Ray Road, Kolkata-1
033-22103274
2 CK Bounded by Diamond Harbour Road, Circular Garded Reach Road,Hide Road, Hide Road Extension,Taratolla Road, Budge Budge Road to Achipur and the River Hooghly.
3 CL Bounded by St. George Ghat Road, Kidderpur Road, Circular Garden Reach Road, Hide Road, Hide Road Extension, Taratolla Road, Budge Budge Road to Achipur and the River Hooghly.
4 CM Bounded by the St. Georges Ghat Road, Lower Circular Road(A.J.C.Bose Road), Bowbazar Street, Lall Bazar Street, Dalhousie Square North, Dalhousie Square West, Kailaghat Street and the River Hooghly. It also include the factories in the Rajarhat P. S. situated in the South East side of V. I. P. Road, and the Airport and also factories at Kakdwip ,Namkhana and Salt Lake.
5 HA Bounded by River Hooghly, Rishi Bankim Road, G. T. Road (South) upto Shalimar Eastern Railway Level crossing and therefrom South of Eastern Railway Line (Shalimar) up to the crossing of Natabar Pal Road and Makardah Road, East side of Makardah Road up to the border of Howrah District.
6 HB Bounded by Howrah-Amta Light Railway, South-Eastern Railway Main Line, G. T. Road (South) and the North Side of Eastern Railway Line (Shalimar) upto South-Eastern Railway Main Line.
7 HC Bounded by the River Hooghly, Grierson Road, Buckland Bridge, Avenue Road, S. E. Rly. Main line, Howrah-Amta Light Rly., boundary of Howrah District, Beneras Road, Haranguge Road and Kissen Lal Barman Road.
8 HD Bounded by Beneras Road. G. T. Road (North), Kali Mazumder Road, Dharmatala Road, E. Rly. main line, Ballykhal and the boundary of Howrah District.
9 HE Bounded by the River Hooghly, Kissen Lal Barman Road, Haranguge Road, G. T. Road (North), Kali Mazumder Road, Dharmatala Road, E. Rly, (Main line), and Ballykhal.
10 CA Bounded by Kalikrishna Tagore Street, Upper Chitpore Road(Rabindra Sarani), Cossipore Road, Gopal Lal Tagore Road, P. W. D. Road up to Vivekananda Bridge and the River Hooghly. Directorate of Factories Extension Office I
146/1, B.B. Ganguly Street Kol-12
033-22274446/7/8
11 CB Bounded by Upper Circular Road (A.P.C. Roy Road), B. T. Road, Gopal Lal Tagore Road, Cossipore Road, Upper Chitpore Road(Rabindra Sarani), Kalikrishna Tagore Street, and Vivekananda Road.
12 CC Bounded by (1) Upper Circular Road (A.P.C. Roy Road), Vivekananda Road, Kalikrishna Tagore Street, the River Hooghly, Koilaghat Street, Dalhousie Square West, Dalhousie Square North, Lalbazar Street and Bowbazar Street; and (2) P. W. D. Road upto Vivekenanda Bridge, B. T. Road, Feeder Road to Belghoria Station, Nimta Road, E. Rly. Line (Bongaon Section), boundary of Baranagore, Belghoria and Dum Dum Police Station and the River Hooghly.
13 CD Bounded by Beliaghata Road , Upper Circular Road(A.P.C. Roy Road), B.T. Road, Feeder Road to Belghoria Station, Nimta Road, E. Rly,line (Bongaon Section), E. Rly. Line (main) upto Belgachia Road crossing, Belgachia Road, and the Circular Canal.
14 CE Bounded by (1) E. Rly. Main line (upto the crossing of Belgachia Road , Belgachia Road, and the Circular Canal. And (2) E. Rly main line from the crossing of Belgachia Road, E. Rly. Line (Bongaon section), boundary of Dum Dum Police Station and Jessore Road.
15 CF Bounded by Beliaghata Canal, E. Rly. Main line (upto the crossing of Belgachia Road), Jessore Road, V. I. P. Road and E.M. Bypass.
16 CG Bounded by Beliaghata Canal, Belighata Road, Palmer Bazar Road, Chingrighata Road (Debendra Ch. De Road), Hughes Road (Gobinda Chandra Khatik Road), E. Rly, line (Diamond Harbour Section) upto Diamond Harbour, the River Hooghly, the Matla River, the Bidyadhari River, Central Lake Canal up to National Border. (It excludes the factories at Kakdwip and Namkhana).
17 CH Bounded by Kaorapukur Khal, Tollys Nalah, Raja Subodh Mullick Road, Gariahat Road, Syed Amir Ali Avenue, New Park Street, Lower Circular Road(A.J.C. Bose Road) , Beliaghata Road, Palmer Bazar Road Chingrighata Road(Debendra Chandra Dey Road), Hughes Road(Gobinda Chandra Khatik Road), E.M. ByPass connector up to No.4 Railway Bridge( Park Circus) and E. Rly. line (Dimond Harbour Section) upto the bridge where it crosses Kaorapukur Khal near Magrahat.
18 CI Bounded by Tolly's Nalah, Raja Subodh Mullick Road, Gariahat Road, Syed Amir Ali Avenue, New Park Street, Lower Circular Road (A.J.C. Bose Road) and Kidderpore Road
19   District of South 24 Parganas,  areas under the Police Station of Baranagore, Belghoria, Dum Dum, Lake Town, Nimta, Rajarhat and Salt Lake.   Directorate of Factories, Extension Office II, 620, Diamond Harbour Road, Kolkata-34 O33-23976421
20 Barrackpore Bangoan Sub-Division, Barasat Sub-Division, Basirhat Sub-Division and Barrackpore Sub-Division of the District of 24 Paraganas (N) but excluding the areas under the Police Station of Baranagore, Belghoria, Dum Dum, Lake Town, Nimta, Rajarhat and Salt Lake.     Office of the Dy. Chief Inspector of Factories
Barrackpore Saheed Mongal Panday Sarani, P.O. Barrackpore, Dist. North 24 Parganas, Pin:700120
033-25920043
21 Kalyani Nadia, Murshidabad and Malda Office of the Inspector of Factories, Kalyani
D.C. Building Suit No. 10 (2nd Floor), Kalyani, Nadia. Pin-741235
033-25829415
22 Serampore Hooghly Office of the Inspector of Factories, Serampore
57/A/2/1, G.T. Road P.O. Serampore, Dist. Hooghly, Pin-712201
033-26522262
23 Haldia Purba Medinipur and Paschim Medinipur Office of the Inspector of Factories, Haldia
Administrative Building,P.O. Durgachak, Dist. Purba Medinipur, Pin-721602
03224-274105
24 Durgapur Durgapur Subdivision under Burdwan District, Bankura   Office of the Inspector of Factories, Durgapur,Administrative Building, City Centre (3rd Floor), P.O. Durgapur, Dist. Burdwan, Pin-713216 0343-2546010
25 Asansol Purulia,Birbhum, Burdwan District except Durgapur Subdivision Office of the Dy. Chief Inspector of Factories
Asansol 84, Dr. M.N.Saha Road, Formerly Hutton Road, P.O. Asansol, Dist. Burdwan, Pin-713301
0341-2202644
26 Jalpaiguri-A Jalpaiguri, Coochbehar Office of the Inspector of Factories, Jalpaiguri,Vill & P.O. Jalpaiguri, Dist. Jalpaiguri, Pin-735101 03561 -230139
27 Jalpaiguri-B Daijeeling, Uttar Dinajpur, Dakshin Dinajpur