Forex dealers said besides sustained selling of the greenback  by banks and exporters, the dollar's weakness against other currencies overseas as investors await Federal Reserve Chair Janet Yellen's speech on monetary policy, backed up the rupee at the Inter-bank Foreign Exchange.

However, a weak trend in morning trade in the domestic equity market capped the gains, they added.

The local currency had gained 7 paise to close at 66.57 in yesterday's trade.

Meanwhile, the benchmark BSE Sensex fell 48.84 points, or 0.19 percent, to 24,917.56 in morning trade.

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