This composite case is built from patterns I see repeatedly in practice. Names and numbers are fictional. I show every calculation so you can check it and reuse the method. This is Part 1 of a four-part case study.
About the author: Ajay Pruthi is a fee-only SEBI-registered investment advisor. He can be contacted via his website plnr.in.
In real practice, I do not sit and build this many scenarios for a client. After enough years of doing this work, experience usually tells you within the first conversation where the solution lies, and we go there directly. I have written out every scenario here only for your reference, so you can see the full map of choices that experience normally walks past quietly. Think of it as the working shown in full, the way a teacher solves one problem on the board slowly even though she can do it in her head.
How to read this case
A real planning conversation is questions and answers, not a lecture. So instead of listing my intake questions separately, I have placed each question inside the scenario it created, exactly where it was asked, along with his answer and the outcome. Every scenario heading tells you the question, the answer, and the verdict, so you can read any one of them alone without scrolling back.
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Who came to me, and what he asked
A single man, 42, salaried. He has 2 crores in fixed deposits, 50 lakhs in EPF, and contributes 40,000 a month to EPF, an amount that grows about 5 percent a year with his increments. After all expenses he can save 1.5 lakhs a month. His monthly expenses are 70,000. He lives on rent. His parents are around 70. He and his parents are covered only by his company’s health policy. He wants to retire at 50.
His question to me was one line: I recently learned that equity mutual funds give much higher returns than FDs. Which funds should I buy?
By the end of this case study you will see why that question was the least important thing in his file.
My assumptions, stated clearly
Inflation before retirement: 6 percent a year. Inflation after retirement: 6 percent a year. Returns after retirement: 6 percent, because his retirement runs on safe money. Notice what this means: after retirement his money grows exactly as fast as prices rise, no faster. So the amount needed is simple enough to check: yearly expenses at retirement multiplied by the number of years the money must last. No compounding magic rescues anything. Equity, if it does well, is a bonus on top; I never build the base plan on a bonus.
Returns before retirement, and here precision matters. FDs earn 6 percent, but FD interest is taxed every single year at his 30 percent slab, so in his hands an FD compounds at only about 4.2 percent. Debt mutual funds and EPF I take at an effective 6 percent: EPF because it is tax-free, and debt funds because tax there is paid only at withdrawal, mostly after retirement when his slab collapses, so the 6 percent survives nearly intact. Equity, where used, at 10 percent after tax. EPF contributions rise 5 percent a year with his increments. His 1.5 lakhs of monthly savings I have kept flat, a further cushion of conservatism, since his real savings will likely rise with salary.
Life expectancy: I normally plan to age 85. This client specifically asked me to plan to 90, so 90 it is. That choice is not small: at zero real return, every extra year of life costs one full extra year of expenses, about 13.4 lakhs a year in his case, so 90 instead of 85 adds roughly 65 lakhs to the target. For a single person with no spouse or children as backup, I did not argue with his choice.
One simplification, stated openly: to keep this readable, I have not included separate goals like yearly vacations, vehicle replacement, home renovation, or the way retirement spending changes shape with age. A full plan includes each as its own line. Here, they are the reason every margin you see should be treated as spoken for, not spare.
The two targets every scenario is measured against
At 6 percent inflation, prices multiply about 1.6 times in 8 years, so his 70,000 becomes about 1.12 lakhs a month at 50, or 13.4 lakhs a year, needed for 40 years to age 90.
If he retires as a renter: 13.4 lakhs × 40 years = about 5.4 crores, plus roughly 60 lakhs for his lifetime health insurance premiums after 50, a line most plans forget and which I explain fully at the end = about 6 crores.
If he retires as a home owner (rent of 25,000 gone, about 5,000 of maintenance added, so 50,000 a month in today’s terms): about 3.8 crores plus premiums = about 4.4 crores.
Scenario 1: My first test for every client: what if you change nothing at all? Verdict: staying in FDs falls just short at 50, because the taxman visits the FDs every single year.
What he holds at 50 if nothing changes: the 2 crores stay in FDs earning 6 percent, but FD interest is taxed every year at his 30 percent slab, so the money actually compounds at about 4.2 percent and grows to only about 2.8 crores, not the 3.2 crores that 6 percent would suggest. EPF of 50 lakhs, with 40,000 monthly contributions rising 5 percent a year, grows tax-free at 6 percent to about 1.4 crores. His 1.5 lakhs of monthly savings, parked in more FDs at the same 4.2 percent after tax, become about 1.7 crores. Total corpus at 50: about 5.9 crores.
What he needs at 50 as a renter: about 6 crores.
Verdict: just short, so the change-nothing path reaches freedom only around 51. And look at what caused the shortfall: not the markets, not spending, but a quiet tax leak. Yearly tax on FD interest silently ate about 40 lakhs of compounding over 8 years. His problem was never that he lacked equity. His first problem is that his safe money is parked in the least tax-friendly safe product available to him. That is what the next scenarios repair, one lever at a time.
Scenario 2: I asked, have you ever invested in equity? He said no, but I want to start. Verdict: send only the new 1.5 lakhs of monthly savings to equity; on its own this gets him to 50 with a cushion of about 40 lakhs.
What he holds at 50: the 2 crores stay in FDs, compounding at 4.2 percent after yearly tax to about 2.8 crores. EPF with rising contributions grows to about 1.4 crores. The 1.5 lakhs of monthly savings now go into two or three diversified equity funds at an assumed 10 percent after tax, growing to about 2.2 crores. Total corpus at 50: about 6.4 crores.
What he needs as a renter: about 6 crores. Cushion: about 40 lakhs.
Verdict: better than Scenario 1, and notice the design. His old 2 crores never touch the market; only new money does, a little every month. If markets crash in year two, only a small amount is exposed, and he learns what a fall feels like with money he can watch calmly. Through the tap, not through the tank. But the FD tax leak from Scenario 1 is still running underneath, and equity alone does not fix a tax problem. That needs the next lever.
Scenario 3: I asked, do you know how much tax your FD interest pays every year? He did not. Verdict: migrate the FDs slowly to debt funds and combine with Scenario 2; together they deliver 50 with a cushion of about 80 lakhs. This combination is what I recommended.
This scenario is about tax, not the stock market. An FD’s interest is taxed every single year at his 30 percent slab: a 6 percent FD leaves only about 4.2 percent in his hands while he is salaried. A debt mutual fund holds similar safe instruments, but tax is paid only when money is withdrawn, so the full 6 percent compounds untouched for years. Better still, after he retires his salary is zero, his tax slab collapses, and when he withdraws monthly, only the gain portion of each withdrawal counts as income, landing in the near-zero tax zone. The same safe money, taxed later and taxed less, actually keeps the 6 percent that an FD only advertises.
The full picture at 50 with both levers pulled: the 2 crores, migrated over a year or two into high-quality short-duration debt funds, compound at close to 6 percent to about 3.2 crores. EPF: about 1.4 crores. The 1.5 lakhs of monthly savings in equity at 10 percent: about 2.2 crores. Total: about 6.8 crores against the renter need of 6 crores. Cushion: about 80 lakhs.
Compare the three scenarios so far: FDs only, 5.9 crores. Add equity savings, 6.4. Add the debt-fund migration too, 6.8. The two calmest moves in this file, a monthly SIP and a tax-aware parking change, added about 90 lakhs between them without one brave decision. The honest caveats: debt funds are not bank-guaranteed, so fund quality matters; and we keep a slice, say 25 to 30 lakhs, in plain FDs as the emergency layer, because an emergency fund’s job is to be boring and instantly available. Every scenario below assumes this combination is running.
Where we stand at the end of Part 1
His original question, which equity fund should I buy, has already been answered sideways: equity was never his main problem. A quiet tax leak in his FDs was, and two calm moves, a monthly SIP into equity and a slow migration of the FDs into debt funds, took him from falling just short at 50 to a cushion of about 80 lakhs. This combination is the base every remaining scenario runs on.
But he had two more ideas he was excited about, and both looked clever on paper: moving 1 crore straight into equity, and gifting the FDs to his parents to make the interest tax-free. In Part 2, both ideas meet reality, and we also answer the question he was too polite to ask first: how early can I actually stop working?
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