Dollar selling by exporters and some banks also aided the rupee surge, a forex dealer said.
At the Interbank Foreign Exchange (Forex) market, the domestic currency resumed strong at 60.28 a dollar from last close of 60.48.
It improved to a high of 60.07 before settling at 60.14, rupee's highest closing since July 29, 2013 when it had concluded at 59.41.
The local currency has gained 120 paise or 1.96 per cent in four straight days of trading.
The dollar index was up by 0.16 per cent against a basket of six major global rivals in the overseas market.
The Indian benchmark Sensex today registered its all-time closing high of 22,095.30. Intra-day, it was at historical peak of 22,172.10 points.
The NSE Nifty, comprising 50 shares, also closed above 6,600 level for the first time at 6,601.40 points. It touched intra-trade record high of 6,627.45 points.
Pramit Brahmbhatt, CEO, Alpari Financial Services, said: "Rupee continued to gain and traded to an eight-month high as foreign investors continued to invest in India. The gain was capped by the importers as they find the USD-INR pair at the attractive levels.
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