Smart Beta ETFs are exchange-traded funds that track specially constructed indices built on systematic, rules-based investment factors — going beyond traditional market-capitalisation-weighted indexing to capture specific return-enhancing or risk-reducing factors such as value, momentum, quality, low volatility, dividend yield, or equal weighting. Unlike passive ETFs (which simply replicate the market cap weight of an index like Nifty 50) and actively managed funds (which rely on fund manager discretion), Smart Beta ETFs follow transparent, pre-defined factor rules that have historically been associated with excess returns over market cap indices over long periods. In India, NSE Indices has developed a comprehensive suite of Smart Beta indices — including the Nifty 200 Momentum 30 (momentum factor), Nifty 50 Value 20 (value factor), Nifty Quality Low Volatility 30 (quality and low volatility combined), Nifty Alpha 50 (alpha factor), and Nifty 200 Alpha 30. Several Indian AMCs including UTI, Mirae Asset, Nippon India, ICICI Prudential, and Motilal Oswal have launched Smart Beta index funds and ETFs tracking these factor indices. Academic and empirical research confirms that factor premiums — particularly momentum and quality — have been persistent and statistically significant in Indian equity markets. For investors, Smart Beta ETFs bridge the gap between pure passive investing (lower cost, market beta only) and active management (higher cost, potential alpha) — offering systematic factor exposure at expense ratios between passive ETFs and actively managed funds.