HI: 1997 में, इसे नवरत्न कंपनी का दर्जा दिया गया।
EN: In 1997, It was conferred the status of Navratna company.
EN: In 1997, it was conferred the status of Navratna company.
EN: In 1997 It was conferred the status of Navratna company.
EN: In the year 1997, It was conferred the status of Navratna company.
EN: In 1997, it had been conferred the status of Navratna company.