- OVL, the most internationalized Indian Company July 23, 2013 OVL, the most internationalized Indian Company
- OVL observes World Environment Day 2013 June 10, 2013 OVL observes World Environment Day 2013
- Message of MD on World Environment Day in Hindi June 5, 2013 Message of MD on World Environment Day in Hindi
- Message of MD on World Environment Day in English June 5, 2013 Message of MD on World Environment Day in English
- Global business will be ONGC’s growth vehicle May 31, 2013 Global business will be ONGC’s growth vehicle
- Corporate Presentation May 2013 May 31, 2013 Corporate Presentation May 2013