The spot rupee opened at 43.56 per dollar, and closed lower at 43.59 per dollar.Prices of government securities moved up with RBI returning funds to the market after the 91-day T-bill auction.Prices of long and medium term paprs went up by 30 paise whereas short term papers moved up by 10-15 paise. The 10-year, 7.38% 2,015 bond closed at an yield 7.08%. Call rates were comfortable with reverse repo bids at Rs 9,470 crore.