Section 261
Prohibition Of Diminishing Weight Or Altering Form Of Currency

(1) No person shall diminish the weight of metallic currency or alter
the composition of metallic element or export, import or possess
currency, by causing the currency of one type to appear like the
currency of another type, with the intention of using it as genuine or
knowing that it may be used as genuine.
(2) A person who commits, or causes to be committed, the
offence referred to in sub-section (1) shall be liable to a sentence of
imprisonment for a term not exceeding five years and a fine not
exceeding fifty thousand rupees.