To make sure uniform enforcement of standards and connected matters in Weights & Measures throughout the country, Indian Government has enacted: 1. Legal Metrology Act, 2009, 2. Legal Metrology (Packaged Commodities) Rules, 2011, 3. Legal Metrology (General) Rules, 2011, 4. Legal Metrology (Approval of Models) Rules, 2011, 5. Legal Metrology (National Standards) Rules, 2011, 6. Legal Metrology (Numeration) Rules, 2011, 7. Indian Institute of Legal Metrology Rules, 2011, 8. West Bengal Legal Metrology (Enforcement) Rules, 2011. Those Acts and Rules made there are collectively known as Weights & Measures laws.