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Oil
& Natural Gas Corporation Limited
(Ministry of Petroleum & Natural
Gas)
Tel Bhawan, Dehradun - 248 003
Phone : 0135-2757121, 2751011, 2751012, Fax : 0135-2755298
Registered Office : Jeevan Bharati, Tower-II,
124, Indira Chowk, New Delhi - 110 001
Phone : 23301000 (30 Lines), DID Facility- 23310156, 23721756, Fax
: 011-23316413
Website : http://www.ongcindia.com/ ,
E-mail : commn@nde.vsnl.net.in
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