MUMBAI (Reuters) - Cairn India , a unit of UK firm Cairn Energy, said on Wednesday it had reached a deal to supply crude oil from its field in western India to leading conglomerate Reliance Industries .
Cairn will deliver the oil, from its Mangala field in Rajasthan to Reliance's refinery in Jamnagar in Gujarat.
Financial details were not disclosed.
(Reporting by Pratish Narayanan; Editing by John Mair)
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