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2016-04-16T18:52:02+05:30
Oil and Natural Gas Corporation = ONGC

its an Indian multinational oil and gas company.its basically headquartered in Dehradun, Uttarakhand, India.
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2016-04-16T18:53:06+05:30
Oil and Natural Gas Corporation
one of the  largest oil and gas exploration and production company in India

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