Reserve Bank of India Act, 1934
26. Legal tender character of notes
(1) Subject to the provisions of sub-section (2), every bank
note shall be legal tender at any place in India in payment or on account for
the amount expressed therein, and shall be guaranteed by the Central Government.
(2) On recommendation of the Central Board the Central
Government may, by notification in the Gazette of India, declare that, with
effect from such date as may be specified in the notification, any series of
bank notes of any denomination shall cease to be legal tender save at such
office or agency of the Bank and to such extent as may be specified in the
notification.