The rupee rose 10 paise to 64.01 against the dollar on Thursday as the U.S. Congress gave its final seal of approval to a sweeping tax legislation.
Dubbed as the biggest overhaul of the U.S. tax code in 30 years, the Bill slashes taxes for corporates as well as the middle class.
A positive start from equities created more room for the rupee.
In the opening session, the domestic unit went up 10 paise to 64.01. On December 20, it had lost 7 paise at 64.11 against the U.S. currency due to dollar demand from importers.
The benchmark BSE Sensex rose 83.61 points, or 0.24%, to 33,860.99, in early session on December 21.