The Legal Metrology Act, 2009
34. Penalty for sale or delivery of commodities, etc., by non-standard weight or measure. –
Whoever sells, or causes to be sold, delivers, or causes to be delivered, any commodity, article or thing by any means other than the standard weight or measure or number, shall be punished with fine which shall not be less than two thousand rupees but which may extend to five thousand rupees and, for the second or subsequent offence, with imprisonment for a term which shall not be less than three months but which may extend to one year, or with fine, or with both.