NISM-Series-X-B: Investment Adviser (Level 2) · Case Studies in Comprehensive Financial Advice

Goal-Based Planning for Retirement, Education and Marriage

Updated 11 October 2026 · Fact-checked

Goal-based planning turns a life goal into a rupee target and a savings plan. Inflate today's cost to the goal date, then compare it with what existing investments will grow to. Find the shortfall and convert it into a required SIP or yearly saving using the time value of money.

Understand Goal-Based Planning: Retirement, Education and Marriage

A financial goal is a future spending need with an amount and a date. Retirement, a child's education and a child's marriage are the three common ones. The adviser's job is to put a rupee figure on each goal and say how much the client must save to reach it.

The starting point is inflation. A course that costs ₹20,00,000 today will cost more when your client's child is ready to enrol. So you first find the future cost by growing today's cost at the inflation rate for the number of years left. Education and marriage costs often inflate faster than general prices, so use the rate given in the case.

Next comes the time value of money. Money invested today grows at an expected return. So you ask two things: what will the existing investments be worth on the goal date, and what regular saving will fill the gap? The gap is the shortfall. You convert it into a yearly or monthly saving using the future value of an annuity formula.

Retirement has one extra step. You need a corpus at retirement that can fund expenses for many years while inflation keeps raising them. You first inflate current expenses to the retirement date. Then you find the present value of the withdrawals over the retirement period. Then you treat that corpus as the goal and solve for savings during the working years.

In the exam, the case gives you the numbers and you choose the closest option. The method is the same every time. What changes is which inputs you use, and whether payments fall at the start or the end of each period.

Key formulas to remember

Future value (lump sum): FV = PV × (1 + r)^n; Use it to inflate today's cost to the goal date, or to grow an existing investment. r and n must use the same period (years with annual rate, months with monthly rate).
Present value (lump sum): PV = FV ÷ (1 + r)^n; Use it to find how much is needed today for a future amount.
Future value of regular savings (end of period): FV = PMT × [((1 + r)^n − 1) ÷ r]; Ordinary annuity. Payments are made at the end of each period.
Future value of regular savings (start of period): FV (annuity due) = PMT × [((1 + r)^n − 1) ÷ r] × (1 + r); Use when each payment is made at the start of the period.
Required saving per period: PMT = Shortfall × r ÷ [(1 + r)^n − 1]; The same annuity formula turned around. Shortfall is the target minus the future value of existing investments.
Present value of regular withdrawals: PV = PMT × [1 − (1 + r)^−n] ÷ r; Ordinary annuity. Gives the retirement corpus for level withdrawals made at the end of each period. For annuity due, multiply by (1 + r).
Real rate of return: Real rate = (1 + nominal rate) ÷ (1 + inflation rate) − 1; The simple difference (nominal − inflation) is only an approximation. Use the exact form when the options are close.
Periodic rate for monthly SIPs: Monthly rate = annual rate ÷ 12; n = years × 12; Use this when the case states the annual rate as a nominal rate with monthly compounding.

How to solve Goal-Based Planning: Retirement, Education and Marriage questions

Use this order for any goal-planning numerical. Write each result down before moving on.

1Identify the goal, its present cost and the date it falls due. Count the years (n) from today to that date.
2Inflate the present cost: Future cost = Present cost × (1 + inflation)^n. For retirement, inflate the annual expense up to the retirement date.
3For retirement, find the corpus. Take the number of retirement years and the post-retirement return and inflation rates, then find the present value of the growing or level withdrawals at retirement date.
4Grow any existing investments earmarked for the goal: FV = PV × (1 + r)^n, at the pre-goal return rate.
5Shortfall = Future cost (or corpus) − Future value of existing investments. If it is zero or negative, the goal is already funded.
6Convert the shortfall into a required saving using PMT = Shortfall × r ÷ [(1 + r)^n − 1]. Match the period (annual or monthly) and the timing (start or end of period).
7Check the answer for sense: the saving times n should be less than the shortfall, since returns do some of the work. Pick the closest option.

Quickest way: Factor-and-shortfall shortcut

When to use it: Use it when the case gives the same return and inflation rate for several goals, or when the options are far apart.

Compute the growth factor (1 + r)^n once and reuse it for both the future cost and the existing investments.
Compute the annuity factor [((1 + r)^n − 1) ÷ r] once. Required saving = Shortfall ÷ annuity factor.
If the withdrawal growth rate equals the return rate, each withdrawal has a present value equal to the first withdrawal (for start-of-year withdrawals). The corpus is then simply number of years × first withdrawal.
Round at the end, not in between. Then eliminate options by magnitude before doing precise arithmetic.

Common mistakes in Goal-Based Planning: Retirement, Education and Marriage

Using today's cost as the target instead of the inflated cost.
The case states a present cost and students jump straight to the savings formula.
Fix: Always do the inflation step first. If the goal date is in the future, the target is the future cost.
Mixing annual rates with monthly periods.
A SIP is monthly but the return is quoted per year, so n and r end up on different bases.
Fix: Either use annual rate with years, or divide the rate by 12 and multiply years by 12. Never mix the two.
Ignoring growth on existing investments.
Students subtract today's value of the investments from the future cost.
Fix: Grow existing investments to the goal date first. Subtract their future value from the future cost to get the shortfall.
Confusing start-of-period and end-of-period payments.
The wording 'at the beginning of each year' is easy to skim past.
Fix: Underline the timing in the case. Multiply by (1 + r) for annuity due on future value, and for present value of withdrawals made at the start of each period.
Using one inflation rate for every goal.
Students use general inflation for education and marriage costs even when the case gives a different rate.
Fix: Read which inflation rate belongs to which goal. Retirement expenses, education and marriage may each carry their own rate.
Subtracting inflation from return to get the real rate when options are close.
It is quick and nearly right.
Fix: Use (1 + nominal) ÷ (1 + inflation) − 1 whenever the answer options differ by small amounts.

Worked examples

Example 1

A client wants to fund their child's higher education 10 years from now. The course costs ₹20,00,000 today and education costs rise by 8% a year. The client has no existing investments for this goal and expects a 10% annual return, investing at the end of each year. How much must the client save each year?

Show the solution

Future cost = 20,00,000 × (1.08)^10. Since 1.08^10 = 2.158925, the future cost = ₹43,17,850 (approx).
Existing investments = 0, so the shortfall = ₹43,17,850.
Annuity factor at 10% for 10 years = (1.1^10 − 1) ÷ 0.1 = (2.593742 − 1) ÷ 0.1 = 15.93742.
Required yearly saving = 43,17,850 ÷ 15.93742 = ₹2,70,925 (approx).
Check: ₹2,70,925 × 10 = ₹27,09,250, which is less than the shortfall, as expected, because returns add the rest.

Answer: About ₹2,70,925 each year (roughly ₹2.71 lakh).

Example 2

A client aged 50 plans to retire at 60. Annual expenses today are ₹6,00,000 and inflation is 6% a year. The client wants to fund 20 years of retirement, with withdrawals made at the start of each year and rising by 6% every year. Assume the retirement corpus earns 6% a year. The client has ₹40,00,000 invested that is expected to earn 8% a year until retirement. How much must the client save at the end of each year for the next 10 years, at 8%, to reach the required corpus?

Show the solution

Expense in the first year of retirement = 6,00,000 × 1.06^10. Since 1.06^10 = 1.790848, this is ₹10,74,509 (approx).
The withdrawals grow at 6% and the corpus earns 6%. So the present value of each withdrawal at retirement date equals the first withdrawal. Corpus = 20 × 10,74,509 = ₹2,14,90,180 (approx).
Existing investments grow to 40,00,000 × 1.08^10 = 40,00,000 × 2.158925 = ₹86,35,700.
Shortfall = 2,14,90,180 − 86,35,700 = ₹1,28,54,480.
Annuity factor at 8% for 10 years = (2.158925 − 1) ÷ 0.08 = 14.48656.
Required yearly saving = 1,28,54,480 ÷ 14.48656 = ₹8,87,338 (approx).

Answer: About ₹8,87,338 each year (roughly ₹8.87 lakh), with a retirement corpus of about ₹2.15 crore.

Exam tips

Read the timing words closely: 'at the beginning of each year' and 'at the end of each year' lead to different answers, and the wrong option is always offered.
Write the sequence on rough paper: future cost, future value of existing investments, shortfall, required saving. Most wrong answers skip one of these steps.
In caselets, one case often carries several goals with different inflation rates and horizons. Tag each number to its goal before you calculate.
Wrong answers cost 25% of the marks of that question, and caselet questions can carry 2 marks. If you cannot narrow the options by magnitude, move on and return later rather than guess a long numerical.

Practice questions from Case Studies in Comprehensive Financial Advice

Goal-Based Planning: Retirement, Education and Marriage: frequently asked questions

How do I calculate the retirement corpus in a NISM X-B case?

Inflate current annual expenses to the retirement date. Then find the present value of the withdrawals over the retirement period, using the post-retirement return and inflation rates given in the case. That present value is the corpus needed on the day of retirement.

How do I calculate a child's education goal with inflation?

Grow today's cost by the education inflation rate for the number of years left. Subtract the future value of any existing investments for that goal. Convert the shortfall into a yearly or monthly saving using the future value of annuity formula.

Should I use monthly or annual compounding for a SIP?

Follow the case. If a monthly SIP is given with an annual return, divide the rate by 12 and use months as n. Do not mix a monthly payment with an annual rate and annual periods.

What is the difference between nominal and real return?

Nominal return is the stated return before inflation. Real return is what remains after inflation, found as (1 + nominal) ÷ (1 + inflation) − 1. Real return lets you value inflation-linked withdrawals with a single rate.