However, the Reserve Bank swung into action to put a floor under the sliding currency and stave off a full-blown meltdown.
Worsening global trading conditions against the backdrop of escalating trade wars and rising global oil prices largely caused panic among forex traders.
Most emerging market currencies came under pressure, tumbling to new record lows.
Heavy sell-off in local equities also weighed on the forex front. The home currency Wednesday opened higher by 18 paise at 71.40 a dollar.
The bond yield curve, however, softened to 8.05 per cent.
Besides the twin deficits phenomenon, the domestic economy faces a set of risks at this juncture, a forex dealer warned.
India is vulnerable to large-scale capital flight if the uncertainty persists and may see investors make their way back into developed markets due to rising interest rates in the US and other major economies.
Any further sharp erosion in the rupee would lead to a wave of corporate bankruptcies and rating impact on these companies as they have kept most of their foreign currency exposures unhedged largely betting on rupee stability, he added.
Meanwhile, crude prices extended their losses, sliding towards USD 77 a barrel, as a tropical storm hitting the US Gulf coast weakened, offsetting support from forecasts of lower US inventories and sanctions against Iran.
Benchmark Brent crude oil is trading at USD 77.33 a barrel in early Asian trade.
At the inter-bank foreign exchange (forex) market, the rupee resumed higher at 71.40 against overnight close of 71.58 on fresh bouts of dollar selling by state-run banks.
It strengthened to 71.37 a dollar in late morning deals before collapsing to historic lows on panic dollar buying.
After hitting a fresh record low of 71.97, the rupee managed to pull back early steep losses before ending at 71.75, showing a fall of 17 paise, or 0.24 per cent.
The Financial Benchmarks India private limited (FBIL), meanwhile, fixed the reference rate for the dollar at 71.7533 and for the euro at 83.1310.
Globally, the US dollar rose broadly as concerns grew that US President Donald Trump may soon ramp up a trade war with Beijing by imposing tariffs on more Chinese imports.
Against a basket of other currencies, the dollar index is up at 95.38.
In the cross-currency trade, the rupee remained under pressure against the pound sterling to end at 91.95 per pound from 91.77 and also dropped against the euro to close at 83.12 as compared to 82.72 yesterday.
The local unit, however, rebounded against the Japanese yen to finish at 64.29 per 100 yens from 64.35 earlier.
In forward market today, the premium for dollar edged higher due to mild paying pressure from corporates.
The benchmark six-month forward premium payable in January 2019 firmed up to 123-125 paise from 120.50-122.50 paise and the far-forward July contract also rose to 276-278 paise from 269.50-271.50 paise on Tuesday.
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