The rupee sentiment was boosted by dollar selling from exporters and banks.
The Indian currency opened at 54.80 per dollar against 55.06 yesterday. At 11.30 am IST rupee was seen trading at 54.84 per dollar up by 22 paise.
On Monday, the RBI Deputy Governor Subir Gokarn said that the central bank will intervene in forex market to curb excessive volatillity in the exchange rate.
Dollar strengthened against Euro after Moody's decision to downgrade France.
Meanwhile, the benchmark Sensex rose by 76points, while the 50-share NSE Nifty rose by 22 points.