
1949
Discovery of Chromite in Sukinda Valley by Tata Steel.

1952
Mining Lease acquired from Maharaja of Sukinda for a period of 20 yrs on 22nd Oct 1952

1953
Same mining lease ratified by State Govt for 20 yrs on 12th Jan 1953.

1960
Mining started at Sukinda in December 1960.

1973
First mining lease renewed on 12th Jan 1973.

1984
In 1984 Sukinda Chromite mine was transformed into mechanized mining operations.

1990
In 1990, Chrome Ore Beneficiation plant was set up at Sukinda.

1991
Tata Steel took over Ferro Alloys Plant Bamnipal from Odisha Mining Corporation (OMC) in 1991.

1991
In 1991,Effluent Treatment Plant (ETP) was installed to treat Hexavalent Chromium in Mine water.

1993
In 1993, Sukinda Ore Beneficiation Plant bagged an ISO 9001.

1994
Computerised Mine Planning was introduced in 1994.

1994
In 1994, Sukinda mine became the first mine in Asia to bag an ISO 9001 certification.

1996
In 1996, a second lease was renewed.

1999
In 1999, Sukinda became the first Chromite mine & Beneficiation plant in Asia to bag an ISO 14001 certification.

1999
Bagged National Safety Award

1999
Honoured with Rajiv Gandhi National Quality Award

2004
In 2004, Sukinda mine became the first fine in the world to bag an SA 8000 certificate.

2004
Awarded OHSAS for Occupational Health & Safety in 2004.

2007
In 2007, Tata Steel received the Patent for Herbal Treatment process to treat Hexavalent Chromium.

2007
Acquisition of Ferro Alloys Plant of Rawmet Ferrous Industries on 14th Mar 2007.

2010
Rechristened Rawmet Ferrous Industries to TS Alloys in 2010.

2012
Awarded Greentech Gold Award

2012
Bagged World Quality Congress award for excellence in environment

2014
Won National Energy Conservation Award in Mining Sector

2014
Awarded with Asian CSR Award

2015
Awarded IBM MEMC – Overall Best Mine

2016
In 2016, Gopalpur Ferro Alloys Plant was set up.

2016
Supplementary lease deed signed in 2016 and the lease period extended up to 31.03.2020.

2019
TS Alloys successfully bagged a 50 years lease for merchant mines of Saruabil and Kamardah in Jajpur, Odisha on 23rd Oct 2019.

2020
TS Alloys successfully bagged a 50 years merchant mining lease for Sukinda mines in Jajpur,Odisha on 18th Mar 2020.

2020
In 2020, TS Alloys was renamed as Tata Steel Mining Tata Steel Limited.

2020
On 30th Oct 2020, TSML made its 1st commercial Ore sale.

2020
On 31st Dec 2020, TSML made its 1st Ferro Chrome sale to customers.