Sawan Presents Corporate Guru Dhirubhai Ambani from Biographis of Great Personalities. Dhirajlal Hirachand Ambani, better known by his initials Dhirubhai Ambani (28 December 1932 – 6 July 2002), was an Indian business mogul who formed the Reliance Industries conglomerate on 28 December 1932. Ambani founded Reliance Industries in 1977 and was valued US ,2.9 billion at the time of his death in 2002. In 2016, he was posthumously awarded the Padma Vibhushan, India's second-highest civilian honour, in recognition of his achievements to commerce and industry.