navratna/nʌvˈɹʌtnə/EtymologyBorrowed from Hindi नवरत्न (navratna), from Sanskrit नवरत्न (navaratna).nounAny of group of nine public-sector undertakings in India.“Oil India Limited (OIL), a Navratna (The Government of India, in 1997, accorded the status of Navratna nine Public Sector Enterprises (PSEs) which gave them greater autonomy to compete in the global market so as to “support [them] in their drive to become global giants.”)”