Index fund / ETF

What is it

An index fund simply buys all 50 (or 500) stocks in an index like the Nifty 50, in the same proportion as the index — no stock-picking, no fund manager guesswork. Think of it as buying a slice of the entire Indian stock market instead of trying to pick winners. Because there's no research team to pay for, fees are a fraction of an active fund's.

Passive investing has grown rapidly in India since 2015 as investors noticed that most active large cap funds struggle to beat the Nifty 50 after fees over long periods — a pattern well documented in the US market decades earlier. Nifty 50 index funds and ETFs are now a common 'core' holding for cost-conscious long-term investors.

Who it's best for

Investors who want market-matching returns at the lowest possible cost, without betting on a fund manager.

Who should avoid it

You believe a skilled active manager can reliably beat the index after fees — in which case, an active fund may suit you better.

Pros

• Very low expense ratio (often 0.1-0.3%)
• No risk of underperforming the index — you simply get the index
• Fully transparent holdings, no manager-selection risk

Cons

• You'll never beat the market, only match it (minus a small tracking error)
• Still fully exposed to equity market falls
• ETFs need a demat account and trade at slight premiums/discounts to NAV

Key ratios to check