Essar Group is a multinational conglomerate based in India, with its headquarters in Mumbai, Maharashtra. Founded in 1969 by Shashi Ruia and Ravi Ruia, Essar Group initially started as a construction company. However, over the years, it has diversified its operations across various sectors including steel, energy, infrastructure, and services.

The main products and services offered by Essar Group are classified into four broad categories: energy, steel, ports, and services. Under the energy segment, the company is involved in oil refining, exploration and production, power generation, and distribution. Essar Steel, another major subsidiary of the group, is one of the leading steel manufacturers in India, producing a wide range of steel products for various industries.

The group's port business operates ports and terminals in India, handling cargo from various sectors including oil, dry bulk, and containers. Additionally, Essar provides services such as shipping, telecommunications, and BPO services through its various subsidiaries. On a global scale, Essar Group has established a strong presence through its subsidiaries, joint ventures, and partnerships.

It has significant operations in countries including the United States, Canada, United Kingdom, and United Arab Emirates. Essar Oil (now Nayara Energy), a subsidiary of Essar Group, has explored oil and gas reserves in countries including Nigeria, Vietnam, and Myanmar. Essar Steel has prominent manufacturing facilities in India, Canada, and the United States.

The group has also ventured into the telecommunications sector through partnerships with major global players. Essar Group has a strong market position and is recognized as one of India's largest diversified conglomerates. It has consistently featured in the Forbes Global 2000 list of the world's biggest public companies.

The company has faced competition from other major players in each sector it operates in, such as Reliance Industries, Tata Steel, and Adani Group. Over the years, Essar Group has experienced various significant events and achievements. In 2007, Essar Steel became the first Indian steel producer to be enrolled in the World Steel Climate Action Program.

In 2017, Essar Oil was acquired by Russian state-owned oil major Rosneft, marking one of the largest foreign investments in India's energy sector. The acquisition led to the rebranding of Essar Oil as Nayara Energy. As of the latest information available, Essar Group continues to be a diversified conglomerate with a focus on growth and expansion.

It has been actively involved in exploring new opportunities in sectors such as renewable energy and infrastructure development. The company has been exploring strategic partnerships to drive growth and enhance its competitive position. With a strong track record and a wide portfolio of businesses, Essar Group remains an influential player in the Indian and global markets