Ministry of Statistics & Programme Implementation has strengthened the measurement framework of the Consumer Price Index (CPI) through a comprehensive base revision from 2012=100 to 2024=100

• MoSPI has shifted the Consumer Price Index (CPI) base year from 2012=100 to 2024=100, using HCES 2023–24 to refresh the item basket and weights.
• Adopts COICOP 2018 (UN classification), expands the item basket, and inducts administrative & e-commerce data for the first time.
• Important for GS-III (Indian Economy — inflation, statistics) and Prelims factual cells (base year, weights, classification).