The rupee today gained 6 paise to 61.40 against the dollar in early trade at the Interbank Foreign Exchange market today on increased selling of the US currency by exporters. Forex dealers said that strengthening of the euro against the dollar in overseas market on expectations that the US Federal Reserve will keep its monetary easing policy in place till early next year boosted the sentiment. They said, a higher opening in the domestic equity market also supported the rupee. The domestic currency had closed unchanged at 61.46 on Friday amid weakening US currency overseas.