Kolkata

Security - BJ-97, Saltlake City, Kolkata - 700091.

P: 91-033-23597871 F-23347236. E-controlroom@nis.co.in

 Facility Management - 129, Lenin Sarani, Kolkata - 700013.

P: 91-033-22657475 F-22656925. E-facilities@nis.co.in

Durgapur-3/1,Alauddin Khan Bithi,Noncompany, City Centre, Durgapur-713216.P:91-0343-6451109 M:9932017487

E-durgapur@nis.co.in

Bangalore-37G, Main Street, Jogutalaya, Alsoor, Bangalore-560008

M: 09986218359

E-bangalore@nis.co.in

Orissa-N3/36, I.R.C. Village, Naya Pally,Bhubaneswar-751015

P:91-0674-2550553 M:9937033536

E-orissa@nis.co.in

Siliguri-2nd Floor, Vikram Motors Building, Jhankar More, Burdwan Road, Siliguri-734005.M:9733019428

E-siliguri@nis.co.in

Ranchi-QTR No.DT-2412, H.E.C. Colony, Sec-4, P.O.-Dhurwa,

Pin-834004.

M:9431902192.E-ranchi@nis.co.in

Guwahati-Piyali Thukan Road, House No-3, Rihabari,

Guwahati-781008. M:9733019428. E-guwahati@nis.co.in