Short-Term Forecasts for Key Sectors that Influence India\'s GDP, based on Laspeyres, Paasche, and Fisher\'s Ideal Index

The study examines the role of index numbers in analyzing India’s economic performance across key sectors agriculture, industry, services, exports, and foreign investments between 2020 and 2024. Using Laspeyres, Paasche, and Fisher’s Ideal Index methods, the paper quantifies price and quantity changes to understand sectoral contributions to GDP growth. Findings show that services dominate India’s GDP (53%), followed by industry (29%) and agriculture (18%). The study highlights inflationary pressures, sectoral drivers, and state-level contributions, offering an analytical framework for policymakers and economists to interpret macroeconomic trends.