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Mitra SK started operation in India in 1938 and has presence in all ports and inland mining centres inspecting all major minerals including coal, lignite, manganese ores, chrome ores, limestone, bauxite, rock phosphate and iron ores. MSK’s laboratory and sampling competencies are well extended to test value added mineral products and by products like metallurgical cokes, beneficiated ore concentrates, sinters, pellets, pig iron, Hot Briquetted Iron, Sponge iron, ferro alloys, steel, copper alloys, granulated slag, fly ash, cement, food etc.  MSK’s Environmental testing facilities offer a wide portfolio of environmental and micro biological testing services to different manufacturing, service and Government bodies


MSK has 15 Laboratories in India with the Central Laboratory located at Kolkata (Calcutta). The Central Lab in Kolkata, Bhubaneswar and Barbil Labs respectively in Orissa, Gandhidham Lab in Gujarat and Goa Lab are NABL accredited. All labs follow the same robust Quality Management System to implement ISO 17025 and ISO 17020. Eight labs are approved by the Export Inspection Council, Government of India. The major testing centres in MSK India have modern equipments like X-Ray Florescence Spectrometers, Atomic Absorption Spectrometers, Inductively Coupled Plasma Spectrometer, Fourier Transform Infrared Spectrometer, GC – MS, etc.


At your service

MSK‘s India operations are structured under two divisions with offices and laboratories at the ports, industrial and mining growth centres. Main branch offices shown in bold font; the various out sourced labs at customer’s premises are not listed

East-Central Division , Kolkata

South-West Division, Mumbai



Mitra S.K. Private Limited

Shrachi Centre (5th Floor),
74B, Acharya Jagadish Chandra Bose Road,Kolkata - 700 016
Phone: +91 33 4014 3000 / 2265 0006
Fax: +91 33 2265 0008

Mitra S.K. Private Limited

P-11, C I T Road, 2nd. Floor,
Kolkata - 700 014
Phone: +91 33 4014 9000
Fax: +91 33 4014 9020
Mobile: +91 97487 03026


Mitra S.K. Private Limited

212 Shristi Plaza, Saki-Vihar Road, Andheri (East)
Mumbai - 400 072
Phone:+91 22 40150416
Fax: +91 22 40150415
Mobile: +91 99676 77760