Indian Penal Code, 1860
247.
Fraudulently or dishonestly diminishing weight or altering composition of
Indian coin
Whoever fraudulently
or dishonestly performs on 130[any Indian coin] any. operation which
diminishes the weight or alters the composition of that coin, shall be punished
with imprisonment of either description for a term which may extend to seven
years, and shall also be liable to fine.