Reserve Bank of India Act, 1934
24. Denominations of notes
(1) Subject to the provisions of sub-section (2), bank notes shall be of the denominational values of two rupees, five rupees, ten rupees, twenty rupees, fifty rupees, one hundred rupees, five hundred rupees, one thousand rupees, five thousand rupees and ten thousand rupees or of such other denominational values, not exceeding ten thousand rupees, as the Central Government may, on the recommendation of the Central Board, specify in this behalf.
(2) The Central Government may, on the recommendation of the Central Board, direct the non-issue or the discontinuance of issue of bank notes of such denominational values as it may specify in this behalf.