Forex traders said significant foreign fund inflows and crude prices below $75 a barrel also supported the local unit.
At the interbank foreign exchange, the domestic unit opened higher at 81.76 against the dollar and then recovered to 81.70, registering a gain of 8 paise from its previous close.
Sensex opened higher by 597 points
Today the stock market opened with a boom.
Today, the BSE Sensex opened at a level of 61650.97 points with a gain of about 596.68 points.
On the other hand, the NSE's Nifty opened at a level of 18231.30 points with a gain of 162.30 points.