ISI, BIS and IS 4151:2015 Explained: What the Mark on Your Helmet Actually Means (2026 Guide)
An ISI-marked helmet is one certified by the Bureau of Indian Standards (BIS) to meet the IS 4151:2015 protective helmet standard for two-wheeler riders. Under the Helmet for Riders of Two Wheeler Motor Vehicles (Quality Control) Order, 2020, this certification has been legally mandatory for every helmet manufactured, imported, sold or used in India since … Read more