Benchmark copper on the London Metal Exchange (LME) was down 3% at $7,573 a tonne at 1601 GMT.
Euro rates survived above paity against the dollar over Russian gas prices due to one of the biggest pipeline being shutdown.
The currency's slump comes a day after data showed India's trade deficit ballooned to a record $25.63 bn on account of a steep increase in gold and crude oil imports
The rupee losses on Friday were, however, limited by dollar sales by exporters, who felt that the domestic unit may not fall much further, given the sharp depreciation seen this week
Depreciation of rupee makes India's imports costlier, while on the other hand exports become attractive.
The dollar index inched up 0.07% in Asian trading, after a 0.32% drop overnight when it was undermined by weaker-than-expected consumer spending data
The rupee breached the psychologically significant level of 79 per dollar level for the first time ever on Wednesday and has also hit a series of new lows this month
Dealers say magnitude of RBI interventions slowed down over past couple of days
Indian currency closes at 78.97 to the greenback after hitting all-tine low of 78.98 intraday
To control the tumble, the Reserve Bank of India (RBI) has sold dollars in the spot market and simultaneously bought and sold in the forwards market.
Treasury 10-year yields slid more than 1 basis point in Tokyo, trading to around 3.17% as Asian equities followed Wall Street lower
The ECB is widely expected to follow its global peers by raising interest rates in July to try to check soaring inflation though economists are divided on the magnitude of any rate hike.
Persistent foreign capital outflows and a surge in crude oil prices led to the slump
Oil prices are up 10% in barely a week on supply constraint concerns with Brent crude holding near $117 levels pushing Canadian and Australian dollar up 0.3% and 0.4% respectively versus the greenback
Spot gold held its ground at $1,824.51 per ounce, as of 0246 GMT. U.S. gold futures were flat at $1,824.50
This move by the central bank results in premiums crashing
In two weeks, the country's foreign exchange reserves have dropped over $10 billion as the central bank stepped up intervention in the foreign exchange market
Ends at 78.39/$1 as against 78.08 on Tuesday. Wednesday's closing level also marks new record intraday low for the rupee versus greenback
Spot gold firmed 0.1% to $1,841.59 per ounce by 0717 GMT, after falling as much as 0.3% earlier in the session.
Analysts and traders shrugged off the election results, with the euro rising 0.2% against the dollar to $1.05155