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SIP vs lumpsum — how the tax differs

Whether you invest via SIP or a one-time lumpsum, the tax rules are the same — but the way holding periods and lock-ins apply differs in a way that catches people out. Here's how SIP vs lumpsum tax works. Exact capital-gains rates are confirmed for your case.

Reviewed by CA Harika Chebolu, FCA · Last updated 2026-06-13

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  1. 1. The tax rate is the same either way
  2. 2. Each SIP instalment has its own holding period
  3. 3. Lumpsum has a single holding period
  4. 4. ELSS: each SIP instalment locks in separately
  5. 5. Harvest and plan redemptions by instalment
  6. Common questions

Quick answer

SIPs and lumpsum investments are taxed the same per unit, but each SIP instalment has its own holding period and (for ELSS) its own lock-in. Here's how.

1. The tax rate is the same either way

SIP and lumpsum are just two ways of buying the same fund, and the capital-gains rules that apply are identical. There's no special lower rate for one or the other — the difference is entirely in how holding periods are counted across your instalments.

2. Each SIP instalment has its own holding period

The key point: every SIP instalment is treated as a separate purchase with its own holding period. So when you redeem, some units may be long-term and others still short-term, depending on when each instalment was bought — the units are taxed on a first-in-first-out basis.

3. Lumpsum has a single holding period

A lumpsum investment is one purchase with one holding period, so the entire holding crosses from short-term to long-term on a single date. This makes the tax timing simpler to track than a SIP, where each instalment matures separately.

4. ELSS: each SIP instalment locks in separately

For ELSS (tax-saving) funds, the three-year lock-in applies to each SIP instalment separately. So a SIP started in one month frees up three years from that month, instalment by instalment — meaning the last instalment of a year's SIP is locked until three years after it. Plan redemptions accordingly.

5. Harvest and plan redemptions by instalment

Because holding periods differ across instalments, you can redeem the older, long-term units first to use the annual long-term exemption and minimise tax. Tracking your instalments lets you harvest gains efficiently rather than redeeming blindly.

Common questions

1Is SIP taxed differently from a lumpsum investment?

No — the tax rate and rules are the same. The difference is that each SIP instalment has its own holding period, while a lumpsum has a single one, which affects when units become long-term.

2How are SIP units taxed when I redeem?

Each instalment is a separate purchase with its own holding period, taxed first-in-first-out — so some redeemed units may be long-term and others short-term, depending on when each was bought.

3How does the ELSS lock-in work for SIPs?

Each SIP instalment is locked in for three years separately , from the month it was invested. So the last instalment of a year's SIP stays locked until three years after that instalment.

Running SIPs and unsure how to redeem tax-efficiently? Write to the firm and we'll plan it by instalment.