IS 456 is an Indian Standard code that provides guidelines for the design and construction of reinforced concrete structures. Established by the Bureau of Indian Standards, it outlines the principles of structural design, material specifications, and construction practices to ensure safety, durability, and serviceability of concrete structures. The code covers various aspects, including load considerations, structural analysis, and detailing of reinforcement. It serves as a crucial reference for engineers and architects in India, promoting uniformity and quality in construction practices across the country.