The rupee today gained 5 paise to 61.86 against the dollar in early trade at the Interbank Foreign Exchange market on increased selling of the US currency by exporters. Strengthening of other currencies against the dollar overseas and a higher opening in the equity market also supported the rupee.The domestic unit had closed 6 paise lower at 61.91 yesterday on month-end demand for the US currency fromimporters amid a sluggish equity market.