- India's core industrial growth hit a historic high of 7.9% in September 2026. - The Index of Eight Core Industries comprises sectors like coal, crude oil, natural gas, refinery products, fertilizers, steel, cement, and electricity. - Core industries make up about 40.27% of the Index of Industrial Production (IIP), acting as a vital leading indicator for broader macroeconomic health and industrial performance. **Introduction** India's core industrial growth surged to a historic high of 7.9% in September 2026, driven by robust performance across key infrastructure sectors. The Index of Eight Core Industries plays a foundational role in signaling industrial health and overall economic momentum. **Core Issue and Detailed Points** - India's core industrial growth hit a historic high of 7.9% in September 2026. - The Index of Eight Core Industries comprises sectors like coal, crude oil, natural gas, refinery products, fertilizers, steel, cement, and electricity. - Core industries make up about 40.27% of the Index of Industrial Production (IIP), acting as a vital leading indicator for broader macroeconomic health and industrial performance.