Besides, Fed rate hike speculation triggered by stellar jobs report and also frantic dollar demand from importers and corporates added pressure on the local currency.
Sustained capital outflows and dollar's strength against some other currencies overseas also weighed on the local unit, forex dealers said.
Forex market sentiment turned little shaky following lower economic growth projections stoked worries about its ability to meet its year-end growth target.
Traders were also worried that cash crunch arising out of demonetisation is expected to paralyse economic activity in the short-term and likely to pull down growth.
Meanwhile, Finance Minister Arun Jaitley today said both direct and indirect tax collections have shown robust increase during the April-December period, indicating uptick in economic activity including manufacturing, dismissing concerns of slowdown due to demonetisation.
Domestic bourses remained under pressure for the third straight session as concerns mount over risks for investors ahead of December corporate earnings against the backdrop of government's recent move to ban high-value notes.
Though, it made a failed attempt to bounce back towards the fag-end trade before ending at 68.21, revealing a hefty loss of 25 paise, or 0.37 per cent.
In worldwide trade, the greenback edged higher against a basket of world currencies on the back of encouraging US jobs report and also growing prospect for a series of Fed rate hikes this year amid optimism over the health of US economy.
The US dollar index was trading firmly higher at 102.31 in late afternoon deals.
Meanwhile, domestic equities regained some lost ground
after two straight day selling on renewed buying interest in select frontline banking and metal counters.
Indian stocks hit four-month highs earlier this week.
Most Asian stock markets recovered smartly from early losses to end higher.
The benchmark Sensex rebounded by 39.78 points to end at 28,329.70, while Nifty added 9.35 points at 8,778.40.
Foreign portfolio investors once against turned net seller and offloaded shares worth a net Rs 127.69 crore yesterday.
The benchmark six-month premium for July edged up to 155.5-156.5 paise from 154-156 paise and the far-forward January 2018 contract also rose to 305-306 paise from 301-303 paise on Wednesday.
Crude prices prices rebounded in early Asian trading after a dramatic overnight selloff despite a DOE report showing inventories rose by 13.8 million barrels last week.
