In recent times, Exchange-traded funds (ETFs) have gained a wider acceptance as financial instruments whose unique advantages over mutual funds have caught the eye of many an investor. These instruments are beneficial for Investors that find it difficult to master the tricks of the trade of analyzing and picking stocks for their portfolio. Various mutual funds provide ETF products that attempt to replicate the indices on NSE, so as to provide returns that closely correspond to the total returns of the securities represented in the index. ETF's available on NSE are diverse lot. Equity, Debt, Gold and International Indices ETF's are available.