"Kumar's consistent support to demonetisation has been crucial. He is one of a few national leaders backing the move against black money in the country," BJP national spokesperson Syed Shahanwaz Hussain told reporters here.
"We value his support to demonetisation... It will be his prerogative to review his stand on the scrapping of high-value currency notes.
The chief minister had on Monday said demonetisation was not enough to root out black money and that he will come out with a "point-by-point" analysis of the note ban after December 30.
Prime Minister Narendra Modi while announcing the decision to demonetise Rs 500 and Rs 1000 notes on November 8 had said there will be some inconvenience to people for the initial 50-day period.
RJD, a coalition partner in the grand alliance government in Bihar, has been opposing demonetisation with its supremo Lalu Prasad saying it put people to a lot of hardships.