About Nifty Financial Services The Nifty Financial Services Index tracks the performance of leading companies in India’s financial services sector, including banks, financial institutions, housing finance companies, insurers, and other financial service providers. Constituents are selected from the Nifty 500 based on free-float market capitalization and liquidity, with stock weights subject to regulatory and index methodology caps to limit concentration. The index is rebalanced semi-annually and serves as a benchmark for financial services-focused investment products.