- A Memorandum of Understanding was signed in January, by the Government of India for technical collaboration and financing of an integrated alumina-aluminium complex with Aluminium Pechiney of France.

- NALCO presently has its units of captive power plants (each of 120 MW capacity). To meet the increased demand for power, a 6th plant of 120 MW was undertaken.

1981

- The Company was Incorporated on 7th January, as a wholly owned enterprise of Government of India. The Company Manufacture aluminium hydrate, calcined alumina, aluminium ingots and aluminium wire rods.

1993

- NALCO signed a project co-operation agreement with Hydro Aluminium AG, Norway to carry out a joint study for feasibility of setting up a 100% export oriented aluminium plant of 0.9 million tonnes per annum capacity.

- 1,28,86,19,200 No. of shares allotted.

1994

- The Company proposed to undertake expansion of bauxite mine from 2.4 million t.p.a. to 4.8 million t.p.a. and alumina refinery from 8,00,000 t.p.a. to 13,50,000 t.p.a. This was subject to necessary clearances.

- It was proposed to undertake expansion of aluminium smelter capacity from 2,30,000 t.p.a. and that of captive power plant from 6 x 120 MW to 8 x 120 MW. To augment the smelting capacity, debottlenecking of smelter by addition of balancing equipment was under implementation. The debottlenecking programme was to enhance the smelter capacity of 2,30,000 tpa.

- The Company in collaboration with various government agencies was setting up facilities for extraction of gallium metal with an annual capacity of 950 kg. at Damanjodi unit.

1995

- A Smelter plant at Angul was undertaken with a capacity of 26000 TPY of strip casting facility.

- A special Alumina plant at Damanjodi was undertaken with a capacity of 20,000 TPY.

- A 10,000 TPY detergent grade Zeolite (Zeolite-A) plant at Damanjodi, was undertaken.

- A 1000 Kg. per annum 5 N purity Gallium plant at Damanjodi based on indigenous technology was undertaken.

- The Company is planning to set up a 100% Export Oriented Unit for aluminium rolled products based on its own liquid metal in equity participation with International Aluminium Products Ltd. (IAPL). It was proposed to set up a 100% EOU for aluminium rolled products based on liquid metal supply from NALCO.

- As at 31st March 350,00,900 equity shares were disinvested.

1996

- The proposal to expand the capacities of bauxite mine at Panchpatmali from 24 lakh tonnes to 48 lakh tonnes and alumina refinery at Damanjodi from 8 lakh tonnes to 15.75 lakh tonnes was approved by the Government on 18.12.1996.

- The Company's proposed to expand its smelting capacity to 3.45 lakh tonnes and power generation from 720 MW to 840 MW was cleared by PIB. However, CCEA approval was awaited.

- The Company also explored the possibility of diversification in terms of few other value added products such as special grade, alumina, Zeolite, aluminium cast wheel etc.

- The stock yard at Jagadhri in Haryana was closed down following insufficient sales while a new stockyard was opened in Bhiwandi near Mumbai. Also, a market development cell was set up to explore and define marketing strategies for speciality products like Zeolite, gallium, special aluminas etc.

1997

- Subject to necessary approvals being obtained the company proposed to convert 50% of its existing equity capital into debt.

- The public sector aluminium giant, National Aluminium Company (NALCO) set up in technical collaboration with Pachiney, France is the largest integrated aluminium company in Asia.

- National Aluminium Company Ltd (Nalco), country's largest aluminium company, has opened a stockyard at Bhiwandi in Thane district.

- National Aluminium Company (Nalco), India's largest producer and exporter, got the ISO 14001 certification for environmental excellence.

- The National Aluminium Company, Bhubaneswar, signed an agreement of national importance with the NRDC for licensing from the NRDC the knowhow to manufacture gallium from the sodium alumina plant.

- National Aluminium Company (NALCO) has signed a pact with National Research Development Corporation (NRDC) for manufacturing gallium with indigenous technology.

- The public sector National Aluminium Company (Nalco) has entered into an agreement with National Securities Depository Ltd, (NSDL) for admitting its shares in the depository system and for dematerialising the shares.

- The Union Cabinet is set to clear a joint venture aluminium company with Nalco Ltd. and Mukand Ltd. as partners.

- The National Aluminium Company Limited (Nalco), staved off a major disaster in its smelter plant at Anugul, when the workers called off a three-day cat-call strike in protest against what they called `barbaric' attack on them by the Central Industrial Security Force (CISF) jawans.

1998

- The company has been forced to curtail its power generation capacity due to a drastic reduction in intake by Gridco - the nodal power transmission and distribution agency in Orissa.

- National Aluminium Company, the country's leading manufacturer, exporter of alumina and aluminium, has bagged the top export award of Chemical and Allied Products Export Promotion Council (Capexil) for 1997-98. This is the 11th time in succession that Nalco has won this award.

1999

- The Investment Information and Credit Rating Agency (Icra) has assigned a LAAA rating to the National Aluminium Company Ltd's (Nalco) Rs 644-crore (Rs 100 crore = Rs 1 billion) non-convertible debenture (NCD) issue. The rating indicates highest safety.

- The National Aluminium Company Ltd (NALCO) a Government of India undertaking is setting up a plant for extraction of gallium at its aluminium refinery complex at Damanjodi.

- The National Aluminium Company (Nalco) will take over International Aluminium Products (IAPL), a joint venture company set up with Mukand Steel, by buying out stakes of all other investors including Mukand Steel.

- The company established new records in bauxite mining, alumina production and exports, metal production witnessed a downtrend due to the pot failures at Anugul.

2000

- Icra has retained the Laaa rating for the Rs 642.58-crore non-convertible debenture issue of the company, while it has assigned an A1 rating to the Rs 5-crore CP issue of Narmada Chematur Petrochemicals.

- The Company will commission the plant of its recently-acquired Indian Aluminium Products Ltd. by March 2001 and produce value-added aluminium products like sheets and rolls.

- The Officers went on an indefinite hunger strike from November 17.

- Crisil reaffirmed the highest safety rating of `AAA' to the Rs 644-crore NCD programme of National Aluminium Company Ltd.

2001

- A public sector aluminium company making a foray into detergent business sounds out of place. But if senior officials of National Aluminium Company (Nalco) are to be believed, the country's second largest aluminium company will be doing that at its zeolite plant scheduled to start operations in July end.

2002

-S Behuria appointed as part time official Director of Nalco.

-Nalco's alumina refinery capacity increased to 15.75 lakh tonne

-Department of Company Affairs (DCA) approves the merger of International Aluminium Products Ltd (IAPL) with National Aluminium Company Ltd (Nalco)

- Mr C.V. Venkataramana appointed as Chairman-cum-Managing Director of National Aluminum Company Ltd

-Cabinet panel approves Nalco disinvestment roadmap

-Hindalco acquires 4% stake in Nalco

-Govt decides to postpone Nalco divestment

-LN Mittal group quits Nalco disinvestment race

-Chinese metals group, Yankuang withdraws from Nalco disinvestment process

-Govt. calls off due diligence process for Nalco

-Govt restarts due diligence process at Nalco

2003

-Commissions one unit of Captive Power Plant with a capacity of 120 MW and 120 pots of Smelter with a capacity to produce 57,500 MT of Aluminium per year

-Nalco members okay delisting of securities from stock exchanges of Bhubaneshwar,Delhi, Calcutta & Madras

-National Aluminium Company (Nalco) awarded the Niryat Shree award for two straight years, 2000-01 and 2001-02. The award has been awarded by the Federation of Indian Export Organisation (FIEO) for excellence in exports

-Vyas Ji appointed as Director on the Board of NALCO

2004

-National Aluminium Company Limited (NALCO) has informed that Madras Stock Exchange Limited vide its letter dated December 22, 2003 have withdrawn the admission granted to dealings on their exchange for the securities of NALCO i.e both equity shares and 14.5% Non-convertible Redeemable Secured Debentures and the quotation for the said securities have been removed from the Daily Official List of the Exchange w.e.f December 22, 2003, in terms of SEBI (Delisting of Securities) Guidelines 2003.

-Nalco open offer to acquire 20% stake for Ondeo Nalco India

-The trading in 14.5% Non-covertiable redeemable secured debentures (Series-N2) shall be suspended w.e.f. Febrauary 13, 2004 on account of part redemption:

-Nalco gets PIB nod for phase II expansion programme

-National Aluminium Company Ltd has informed that the Delhi Stock Exchange vide their letter dated February 10, 2004 have approved the delisting of the securities of the company from their exchange wef February 11, 2004.

-National Aluminium Company Ltd (NALCO) has informed that Shri Pyarimohan Mohapatra has resigned from the Board of Nalco on June 09, 2004 and hence ceases to be a Director of NALCO with effect from June 09, 2004

-Mr G Upadhyaya takes charge as CMD of Nalco

2005

-Nalco inks agreement with NMDC.

-Nalco gets five-star export house status

-Nalco gets Capexil award

-Nalco, Jindal cleared to set up aluminium plants in Vizag

-Nalco to build coal block in Orissa

2006

-Nalco gets EEPC award

2007

- National Aluminium Company Ltd (NALCO) has informed about the following:

1. Shri Joy Varghese has been appointed as Director (Personnel & Administration) of the Company w.e.f. October 01, 2007 vide Order dated September 25, 2007 read with Order of even number dated September 27, 2007 of Ministry of Mines, Government of India.

2. Further, Dr. A Sahay, Shri S S Sohoni and Shri K S Raju have been appointed as Part-time Non-official Directors of the Company vide Order dated September 27, 2007 of Ministry of Mines, Government of India.

2008

-National Aluminium Company Ltd (NALCO) has appointed Shri. S Vijay Kumar appointed as Part-time Official Director of the Company with immediate effect vide Order dated January 23, 2008 of Ministry of Mines, Government of India.

- Pollution Control Excellent Award 2008 to Panchpatmali Bauxite Mines from State Pollution Control Board, Bhubaneswar

2009

- National Aluminium Company Ltd (NALCO) has informed that Shri. A K Sharma has been appointed as Director (Production) of the Company with effect from May 01, 2009 vide Order dated February 11, 2009 of Ministry of Mines, Government of India.

- National Aluminium Company Ltd (NALCO) has informed that Shri. C R Pradhan has been appointed as Chairman cum Managing Director of the Company with effect from August 03, 2009 vide Order dated August 03, 2009 of Ministry of Mines, Government of India.

- National Aluminium Company Ltd (NALCO) has appointed Shri. P. K. Padhi as Director (P & T) of the Company with effect from September 03, 2009 vide Order dated September 03, 2009 of Ministry of Mines, Government of India.

- National Aluminium Company Ltd (NALCO) has appointed Shri Ansuman Das as Director (Commercial) of the Company with effect from October 28, 2009 vide Order dated October 27, 2009 of Ministry of Mines, Government of India.

- Pollution Control Excellence Award 2009 by OSPCB to Alumina Refinery

- 2nd Best Practice in Environment Management instituted by Confederation of Indian Industry (CII) to Alumina Refinery for 2009.

2010

- National Aluminium Company Ltd (Nalco), India's third-largest aluminium maker that also exports alumina and aluminium via much-watched global tenders, has bagged the approval for a new bauxite mining lease in eastern India, as per a senior government official.

- National Aluminium Company Ltd. (NALCO) has bagged EEPC (Engineering Export Promotion Council, Eastern Region) Gold Trophy, as Top Exporter in the Large Enterprise Category for outstanding export performance during 2007-08.

- National Aluminium Company Ltd. (NALCO) has received the Best Listed Central Public Sector Enterprises Award.

2011

- National Aluminium Company Limited (NALCO) has decided to invest a sum of Rs. 274 crore in a Wind power project at Gandikota in Kadapa district of Andhra Pradesh.

- One of the world's leading and the sixth largest, integrated aluminium complex, National Aluminium Company Limited (Nalco) CMD, B L Bagra said that the company will acquire a stake of 49% for a price of Rs 1,700 crore in the Kakrapar nuclear power plant whose size would be 2X700 MW in phase II.

-Company has splits its Face value of Shares from Rs 10 to Rs 5

-National Aluminium Company has given the Bonus in the Ratio of 1:1

2012

- National Aluminium Company said it has appointed Ansuman Das as the Chairman-cum-Managing Director with effect from August 29, 2012.

2013 -Board recommends Final Dividend of Rs. 10% to the shareholders

2014 --NALCO unit bags National Energy Conservation Award

2015 -NALCO awarded for proactive climate change action -Nalco institutes awards for Eminent Sanskrit Scholars -Navratna Nalco has instituted `NALCO Smiles Award'National Aluminium Company Limited (NALCO) has bagged the Odisha Inc Best Brand Award -NALCO's Refinery bags Business Excellence Star Award -NALCO bags Performance Excellence Award -NALCO institutes Green Awards for Engineering Excellence

2016 - NALCO signs MoU with IMIDRO for Aluminium smelter in Iran - NALCO inks MoU with NTPC for Power Projects and Business Collaborations

2017 -Nalco inks MoU with GOI for setting higher targets in production. -NALCO bags Appreciation Award in large mines category.

-NALCO Launches Drinking Water Kiosks at Puri under Swachh Iconic Shrine Project. -NALCO bags Kalinga CSR Award-2017. -NALCO Bags CII-EXIM Bank Business Excellence Award. -NALCO launches new product Strontium Modified Aluminium Billets. -NALCO's Mines division bags rich haul of awards at Mines Safety Week.

2019 -Nalco gets Dun & Bradstreet Award for excellence in export performance. -NALCO launches new product 'Aluminium Alloy AA 1200'. -NALCO bags Swachh Bharat Award. -NALCO, HCL & MECL forms JV Company to power India's growth in acquisition of critical minerals from abroad.

2020 -NALCO gets Mining Lease for Utkal-D Coal Block -NALCO bags `ICC PSE Excellence Award' in CSR category.

2021 -NALCO Bags IIM Non-Ferrous Best Performance Award 2020-21. -NALCO's Panchpatmali Bauxite Mine awarded Pollution Control Excellence Award 2021.

2022 -NALCO-BARC Releases India's 1st Bauxite CRM. -NALCO wins coveted Golden Peacock National Award for Sustainability.

2023 -NALCO started the commercial sale of mechanized sow ingots in the domestic market after successfully completing a series of trials in the past.