IS 4923 covers the specification for hot-finished welded and seamless structural steel hollow sections used in construction and infrastructure projects. If you're a manufacturer or importer of steel tubes under this standard, BIS certification is mandatory. Agile Regulatory provides end-to-end support for obtaining the IS 4923 BIS certification, including application filing, lab coordination, documentation, and liaison with BIS authorities. With our expert guidance, you can achieve timely approval and market access across India.