Ambuja Cements Ltd a part of the global conglomerate LafargeHolcim is among the leading cement companies in India. The company sells cement under the Ambuja brand.Ambuja Cements Ltd (ACL) was incorporated in the year 1981 as Ambuja Cements Pvt Ltd. The company was established as a joint venture between the public sector Gujarat Industrial Investment Corporation (GIIC) and Narottam Sekhsaria & Associates. In May 19 1983 the company was rehabilitated into a public limited company. Subsequently the company name was changed to Gujarat Ambuja Cements Ltd. Further the name was changed to Ambuja Cements Ltd. Ambuja Cements is a major cement producing company in India. The principal activity of the company is to manufacture and market cement and clinker for both domestic and export markets. The company has five integrated cement manufacturing plants and eight cement grinding units. It is the first Indian cement manufacturer having a captive port with three terminals along the country's western coastline to facilitate timely cost effective and environmentally cleaner shipments of bulk cement to its customer. The company has its own fleet of ships. The company subsidiaries include Dang Cement Industries Private Ltd M.G.T Cements Private Ltd Chemical Limes Mundwa Private Ltd and Dirk India Pvt Ltd.In the year 1985 the company set up a cement plant in technical collaboration with Krupp Polysius Germany Bakau Wolf and Fuller KCP. During the year 1988-89 the company commissioned the 12.6 MW diesel-generating sets. In the year 1991 the company got necessary approvals for setting up another cement plant with 1 million tonne capacity per annum at Himachal Pradesh. The company undertook bulk cement transportation by sea to the major markets of Mumbai Surat and other deficit zones on the West Coast.In the year 1997 the company started commercial production in Kodinar plant with an enhanced capacity. In the year 1998 they set up a $20 million clinker Grinding unit in Sri Lanka. In the year 2000 giants Larsen & Tubro (L&T) and Gujarat Ambuja Cements entered a unique agreement to reduce transportation costs in dispatching bulk cement in Gujarat. Also they entered into an annual contract with a Soinhalese firm Mahaveli Marine Cement to supply around 2.5 lakh tonnes of cement.In the year 2002 the company started commercial production at Maratha Cement Works plant. In June 2002 they started commercial production in the new 2-million tonne Greenfield cement plant at Chandrapur Maharashtra. In the year 2004 Ambuja Cement Rajasthan was amalgamated with the company.In February 2005 the company set up a cement mill with a capacity of 80 TPH at Darlaghat and commenced commercial production. They commissioned a captive thermal power plant with two 12 MW Steam Turbo Generators (STG) with two boilers of 45 TPH capacity each at a cost of Rs.94 crore. The first STG was commissioned in February 2005 and the second in May 2005. In July 2005 Indo-Nippon Special Cements Ltd a subsidiary company was amalgamated with the company. The company set up new clinker capacity at Bhatapara in Chattisgarh and Rauri in Himachal Pradesh each having a capacity of 2.2 million tonnes per annum at a cost of Rs. 1600 crore. In 2006 Global Cement Major Holcim acquired management control of the company.The company commenced commercial production at two new 2.2 million tonne clinker production lines at Bhatapara (Chattisgarh) and Rauri (HP) in December 2009 and January 2010 respectively. In February 24 2010 the company inaugurated their cement plant (grinding unit) at Dadri Uttar Pradesh with the capacity of 1.5 million tonnes. In March 27 2010 they inaugurated their cement plant (grinding unit) at Nalagarh Himachal Pradesh with the capacity of 1.5 million tonnes. During the year the company commissioned an additional 30 MW captive power unit at Ambujanagar (Gujarat). In October 2010 the company signed an agreement with the Rajasthan State Industrial Development and Investment Corporation to set up a 2.2 million tonne clinkerisation unit in Nagaur district. In December 2010 the Dadri Grinding Unit in its very first year of operation received the Integrated Management System (IMS) Certification including ISO 9001:2008 ISO 14001:2004 and OHSAS 18001:2007 by BSI (U.K.).In the year 2011 the company started commercial production in a new cement mill at a cost of approx Rs. 185 crore at Bhatapara plant. Also they commissioned a new cement mill of 0.9 million tonne cement grinding capacity at Maratha Cement Works plant at a cost of approx Rs 61 crore. The company commissioned a 7.5 MW Wind Mill project in Kutch Gujarat at a cost of Rs 46 crore. The company increased the installed capacity in Bhatinda grinding unit in Punjab by 0.1 million tonne to reach at 0.6 million tonne. Also they increased the installed capacity in Farraka grinding unit in West Bengal by 0.25 million tonne to reach at 1.25 million tonnes.In June 2011 the company made strategic investments in Dang Cement Industries Pvt. Ltd Nepal and acquired 85% shareholding for Rs 19.13 crore to help further expansion of capacity in the northern region of India and Nepal. In September 2011 they acquired 60% shareholding in Dirk India Pvt Ltd Maharashtra Rs. 16.51 crore. The company entered into a joint venture for speciality cement manufacturing facility in Goa with Counto Microfine Products Pvt Ltd.On 24 July 2013 the Board of Directors of Ambuja Cements approved a proposal to acquire 50.01% stake in ACC. It was decided that Ambuja will first acquire from Holderind Investments Ltd. Mauritius (Holcim) a 24% stake in Holcim India for a cash consideration of Rs. 3500 crore followed by a merger of Holcim India into Ambuja. On 24 May 2016 Ambuja Cement announced the completion of its Rs 338-crore expansion project at its Sankrail grinding unit near Kolkata thereby raising the capacity of the unit to 2.4 million tonne per annum from 1.5 million tonne per annum.On 15 November 2016 Ambuja Cement's overseas parent company LafargeHolcim announced that its subsidiary Holderind Investments Ltd. has increased its shareholding in Ambuja Cement Ltd. to 63.11% post the acquisition of additional 3.91 crore shares.On 29 April 2017 Ambuja Cement announced the launch of a superior composite cement product for better sustainability under the brand Ambuja Compocem.Ambuja Cement's Board of Directors at its meeting held on 5 May 2017 approved constitution of a special committee of directors with majority of independent directors to explore the possibility of a merger of Ambuja Cement and ACC.