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A OD Digboi R  e f inery , T echnology with Ecology a t Heart
                                                                                                                                                                                                                                                        AOD Digboi Refinery, Technology with Ecology at Heart













































































                Roopkali, an elephant "employee" of the Assam Oil Company, shifting a tank








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                10  IndianOil Reneries                                                                                                                                                                                                                                                         IndianOil Reneries 11
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