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The broader NSE index closed up 0.66 percent at 10,966.20 while the benchmark BSE index ended 0.81 percent higher at 35,798.01.
Reliance rose as much as 4.6 percent to a record, while ONGC gained as much as 6.3 percent after its deal to buy a 51.1 percent stake in Hindustan Petroleum Corp Ltd.