Steel Authority of India Limited | 247,974 followers on LinkedIn. There's a little bit of SAIL in everybody's life | Steel Authority of India Limited (SAIL) traces its origin to the formative years of an emerging nation - India. After independence, the steel sector was to propel the economic growth and rapid industrialization of the country, and since 1973, SAIL steel has played a pivotal role in transforming the nation. SAIL is the largest steel-making company in India and one of the seven Maharatna’s of the country’s Central Public Sector Enterprises.