About Nifty Chemicals The Nifty Chemicals Index is a sectoral index designed to reflect the performance of the chemicals sector in India. It comprises the top 20 stocks from the Nifty 500 that belong to the chemicals industry, selected based on their six-month average free-float market capitalization. The index is reconstituted semi-annually and rebalanced quarterly to ensure it accurately represents the sector. It serves as a benchmark for asset managers and as a reference for passive investment vehicles such as Exchange Traded Funds (ETFs), index funds, and structured products.