In a good sign, Indian share markets recover as Sensex rises to nearly 500 points while Nifty gained 149 points at 17,462. The rupee appreciated 7 paise to 79.84 against the US dollar in early trade on Tuesday in line with a positive trend in domestic equities. However, higher oil prices and month-end dollar demand could restrict the gains for the local unit, forex traders said. At the interbank foreign exchange, the rupee opened at 79.92 against the American dollar and touched 79.84 in initial deals, registering a gain of 7 paise over the last close, rupee