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When you check mutual fund returns on Groww or Zerodha, you see CAGR — Compound Annual Growth Rate. It looks clean. But for SIP investors, it's almost meaningless.

The problem with CAGR for SIPs

CAGR assumes you invested a lump sum on day one. But SIP investors invest every month — each instalment has a different date and horizon. A ₹5,000 SIP from 5 years ago has compounded for 5 years. Last month's instalment has had 30 days. CAGR treats them the same. That's wrong.

What XIRR does differently

XIRR — Extended Internal Rate of Return — finds the single annual rate that makes the present value of all your cash flows equal zero. In plain English: it finds the actual rate your money grew, accounting for exactly when each rupee was invested.

Why this matters for you

• XIRR is what you should compare against benchmarks, not CAGR
• When markets fall before you check, CAGR looks worse than XIRR
• XIRR is what Excel and real financial models use

What's a good XIRR?

For equity MF SIPs over 10+ years in India, a healthy XIRR is 11–14%. Above 15% consistently is exceptional. Below 8% suggests underperformance even versus debt funds post-tax.

A step-up SIP increases your monthly investment by a fixed % each year. Most Indians get a 10–15% salary hike annually. Route half that raise into your SIP.

The numbers that will surprise you

Two investors over 20 years, both starting ₹10,000/month at 12% annual return:

• Flat SIP: ₹10,000/month → corpus ≈ ₹99 lakhs
• 10% step-up SIP: ₹10,000 in year 1 → corpus ≈ ₹1.89 crore

Same starting amount, same return. Step-up investor nearly doubles the corpus.

How to set up a step-up SIP

Groww, Zerodha Coin, and Kuvera all allow step-up % during SIP setup. Just select "step-up" and enter 10%. Or set a calendar reminder to manually increase your SIP every January.

From Budget 2024, LTCG on equity MF is taxed at 12.5%, but only above ₹1.25 lakh per financial year. Below that — completely tax-free.

What counts as LTCG?

Gains on equity MF units held for more than 12 months. If you sell after 1+ year, your profit is LTCG — not your full redemption amount.

The tax harvesting strategy

Every year, redeem equity fund units worth up to ₹1.25L in gains — tax-free. Reinvest the same amount immediately. Your cost basis resets to current NAV, permanently reducing future tax.

• Redeem units with up to ₹1.25L gain before March 31
• Reinvest immediately in the same fund
• New cost basis = current NAV
• Do this every year — completely legal, CAs recommend it

When retirement comes, the question is: how do you convert your corpus into monthly income without running out? FD or SWP?

FD for income

Park corpus in FD at 7–7.5%, live off interest. Simple, predictable. But the entire interest is taxable at your slab rate. In the 30% bracket, 7.5% FD = 5.25% post-tax — barely above inflation.

How SWP works

Invest corpus in a balanced/equity fund, set a fixed monthly redemption. Key advantages:

• Lower tax: Only the gain portion is taxed (LTCG at 12.5% above ₹1.25L/yr)
• Corpus keeps growing: Unwithdrawal portion compounds
• Inflation hedge: Equity funds tend to grow faster than inflation

The risk of SWP

Markets are volatile. A bear market in your first 3–5 years of retirement can severely damage your corpus — sequence-of-returns risk. Solution: keep 12–24 months expenses in FD/liquid funds as a buffer.