Agile Regulatory offers complete support for IS 15558 BIS Certification—from documentation, product testing coordination, and sample submission to liaison with BIS authorities. Whether you're an importer or manufacturer, our experts ensure a seamless, time-bound certification process so your products can legally enter and compete in the Indian market. https://www.agileregulatory.com/blogs/bis-isi-for-domestic-water-heater-instantaneous-for-use-with-lpg-is-15558-2005