According to dealers, infrastructure sector recording a growth rate of 5 per cent in September, the highest in three months, made the rupee stronger.
Besides, a positive opening of the domestic equity market also supported the the local currency, they said.
The rupee had gained 8 paise to close at 66.79 against the US dollar at the Interbank Foreign Exchange market on Friday.
Forex market remained closed yesterday on account of "Diwali Balipratipada'.
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