Nayara Energy Limited is a privately-held downstream oil company based in India. That encompasses Refining, Marketing, Production and a Network of over 6,000+ retail fuel outlets in India. It operates India's second-largest oil refinery in Vadinar, Gujarat. In 2017, Essar Oil was acquired by Rosneft and an investment consortium led by Trafigura & UCP Investment Group. Nayara ranked 21st in the Fortune India 500 list in 2020