All AC watt-hour meters, class 0.5, 1 & 2 are categorized under IS 13010. All models and brands of that meets IS 13010 standards are required to get ISI Certification before its launch or import to the Indian consumer market. ISI Certificated will be issued to the manufacturer only (not to dealer/trader or distributor) whether manufacturer is in India or in abroad does not matter. Please refer Info section for more details.