The Index Investor

Your all-ETF blueprint

A guide to building ETF portfolios across risk profiles and market segments

How to build an all-ETF portfolio for any risk levelAI-generated image

Summary: For years, passive investing in India effectively stopped at large caps. Investors who wanted a fully indexed portfolio still had to rely on active funds for mid- and small-cap exposure. That gap has finally closed. With a new wave of ETFs now covering every major segment, it’s possible to build an entire equity allocation passively — provided the mix matches your risk profile. This article breaks down how aggressive, balanced and conservative investors can construct complete ETF portfolios, the role of global exposure and how allocations should evolve with age. For the longest time, exchange-traded funds (ETFs) were little more than a convenient way to own large caps. With most active large-cap funds struggling to beat the benchmark, investors naturally warmed to indexing. But beyond large caps, those who wanted to stay fully passive had little to choose from. Mid- and small-cap exposure still had to be hunted through active funds because index ETFs in those segments simply didn’t exist. That has changed meaningfully in recent years. With new ETFs launched across market segments, investors can now build a complete, diversified and risk-aligned portfolio using ETFs alone, without relying on active fund selection. Of course, the mix still matters. A poorly aligned equity allocation can undermine outcomes even in a passive strategy. Thus, our framework below lays out how investors can construct ETF portfolios across three risk profiles: aggressive, balanced and conservative. For the aggressive investor An aggressive investor is essentially someone prepared to take on volatility in pursuit of higher returns

This article was originally published on December 01, 2025.

This story is not available as it is from the Wealth Insight December 2025 issue

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