All Uncoated Stress Relieved Low Relaxation Seven-ply Strand For Pre-stressed Concrete are categorized under IS 14268. All models and brands that meets IS 14268 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.