Section 7(1) in The Goa, Daman and Diu Weights and Measures (Enforcement) Act, 1968
(1)Notwithstanding anything contained in any other law or any custom, usage or practice, to the contrary no unit of mass or measure other than the standard weights or measures shall be used in any transaction for trade or commerce in any area or class of goods or undertaking in respect of which this Act has come into force or be kept in any premises where such transactions are usually conducted.
