Budgeting
Listing and itemising a household's income and expenses — mandatory, essential and discretionary — to keep spending within income and generate a targeted amount of savings for goals.
In plain language
Most people save whatever is left at the end of the month. A budget turns that round: it decides how much must be saved and then works out how the spending fits around it.
The workbook describes budgeting as a way to inculcate the discipline to save for goals. In the early working years, when income is tight, it helps a household live within its income and still set something aside. In later years, when income is adequate, it keeps savings growing with a focus on goals rather than drifting into higher spending.
It matters for retirement in particular because retirement is the goal that is easiest to postpone — and the most expensive to catch up on.
How it works
Chapter 3 gives the steps in order, and the order is the lesson:
- List the regular income expected in the month.
- List the mandatory expenses — taxes and loan repayments. These are met first. What remains is disposable income.
- Meet essential living expenses out of disposable income — housing, food, transportation, health. They cannot be eliminated, but their cost can be reduced: a less expensive locality, public transport.
- Discretionary expenses — entertainment and recreation — come last, and are the category that can be cut back or eliminated.
Savings is what remains. The workbook wants a pre-defined target, set by the individual's goals; ad hoc or irregular saving does not build a corpus.
Two ways to close a gap: increase income, which is limited by skills and time, or control expenses, which the workbook calls the more effective way.
A budget must be realistic. Overestimating income or underestimating expenses both leave goals underfunded, and allocations so narrow that they eliminate every interest or hobby are stressful and likely to fail.
Tracking it. The savings ratio should rise over the life cycle, the expense ratio should fall, and the debt-to-income ratio peaks with a large loan and then declines.
A worked example
Illustrative figures. A household in Pune takes home Rs 1,20,000 a month and wants to save Rs 25,000 towards retirement and other goals.
| Step | Item | Rs | Left |
|---|---|---|---|
| 1 | Regular income | 1,20,000 | |
| 2 | Tax Rs 12,000 + home loan EMI Rs 30,000 | 42,000 | 78,000 (disposable income) |
| 3 | Rent, food, school fees, transport, health | 45,000 | 33,000 |
| 4 | Eating out, subscriptions, weekend trips | 18,000 | 15,000 saved |
Savings ratio = 15,000 ÷ 1,20,000 = 12.5%
They are Rs 10,000 short of the target. Following the workbook's order of attack — discretionary first, essential expenses economised, mandatory untouched:
Discretionary cut from Rs 18,000 to Rs 8,000 → savings Rs 25,000
Savings ratio = 25,000 ÷ 1,20,000 = 20.8%
Had they cut discretionary spending to zero instead, the budget would show Rs 33,000 of savings on paper — and, in the workbook's words, be stressful and likely to fail. A realistic Rs 25,000 is worth more than an optimistic Rs 33,000 that lasts two months.
Near retirement the same household would build a budget on the income the corpus is expected to generate, and test-drive it for a couple of months before retiring.
Why NISM asks about it
Chapter 1, section 1.1.3 (Importance of Budgeting), explains why budgeting matters for goals, and Chapter 3, section 3.1.2 (Budget to Realize Savings), gives the four-step order and the ratios to track. Section 3.4.1 returns to it as a pre-retirement activity. Expect a sequencing question on the steps, a question on which category of expense is cut first, and the definition of disposable income as what remains after mandatory expenses.
Common exam traps
- Mandatory before essential before discretionary. Taxes and loan repayments are met first; disposable income is what is left after mandatory expenses, not after all expenses.
- Controlling expenses beats raising income. The workbook calls expense control the more effective route, because extra income is limited by skills and time.
- Essential expenses can be reduced but not eliminated; discretionary expenses can be eliminated.
- Savings is a target, not a residual. Ad hoc saving is precisely what the workbook says does not work.
- Unrealistic budgets fail. Eliminating all spending on interests and hobbies is the workbook's own example of a budget likely to fail.
- Ratios move in opposite directions. Savings ratio should rise over the life cycle; expense ratio should fall.
Check yourself
1.Which of the following is a NON-FINANCIAL concern in retirement?
- a)Finding interests to occupy the spare time now available
- b)Dealing with living on a tight budget
- c)Making investment decisions in retirement
- d)Dealing with the risk of longevity
Show the answer
Answer: (a) Finding interests to occupy the spare time now available
"One of the PRIMARY CONCERNS as retirement comes closer is TO FILL UP THE SPARE TIME that will now be available." This sits in the chapter's section on the emotional and psychological aspects of retirement, alongside the need to "let go of the pre-retirement life in terms of the financial aspects, SOCIAL CONNECTIONS and THE POWER AND RECOGNITION THAT CAME WITH THE JOB."
The workbook's guidance: ⚠️ exploring interests or hobbies — as part-time employment or voluntary work — "SHOULD BE DONE TOWARDS THE MID-40s, when there is greater clarity on what their interests are", and "building a SOCIAL STRUCTURE DISTINCT FROM THE WORK ENVIRONMENT is important to make retirement easier."
The other three options are all financial concerns: budgeting, investment decisions, and longevity risk — the last being the risk of outliving one's assets.
2.In the budgeting process, what is disposable income?
- a)Income left after meeting all expenses including discretionary ones
- b)Income left after meeting mandatory expenses such as taxes and loan repayments
- c)Total regular income expected in the month
- d)Income left after meeting essential living expenses
Show the answer
Answer: (b) Income left after meeting mandatory expenses such as taxes and loan repayments
The budgeting sequence runs in a fixed order: list regular income → subtract mandatory expenses that have to be met like taxes, loan repayments. What remains is the DISPOSABLE INCOME.
Essential living expenses — housing, food, transportation, health — come out of disposable income next, then discretionary expenses on entertainment and recreation.
Savings is what remains from the income after meeting all these expenses — which is option (a), a different thing entirely.
The order matters practically: mandatory expenses cannot be negotiated, essential ones cannot be eliminated but can be reduced, and discretionary ones can be cut back or even eliminated.
3.What is the correct sequence of steps in the budgeting process described in the workbook?
- a)List discretionary expenses → list essential living expenses → list mandatory expenses → list regular income
- b)List regular income → meet essential living expenses → meet mandatory expenses → meet discretionary expenses
- c)List regular income → meet discretionary expenses → meet essential living expenses → pay taxes and loan repayments
- d)List regular income expected in the month → meet mandatory expenses such as taxes and loan repayments → meet essential living expenses out of disposable income → meet discretionary expenses; savings is what remains
Show the answer
Answer: (d) List regular income expected in the month → meet mandatory expenses such as taxes and loan repayments → meet essential living expenses out of disposable income → meet discretionary expenses; savings is what remains
The workbook's steps:
- List the regular income that is expected in the month.
- List the mandatory expenses that have to be met like taxes, loan repayments. These have to be first met out of the available income. What remains is the disposable income.
- The essential living expenses have to be met out of disposable income next, covering housing, food, transportation, health and other necessary expenses.
- Discretionary expenses are the last category of expenses and includes expenses on entertainment and recreation.
Savings is what remains from the income after meeting all these expenses. So option D is correct.
Why the others are wrong:
- Option A runs the process backwards.
- Option B puts essential living expenses before mandatory ones. Mandatory expenses come first, and essentials are paid from the disposable income left after them.
- Option C puts discretionary spending ahead of necessities and leaves taxes and loans until last.
The workbook also notes that controlling expenses is a more effective way to generate savings than expanding income, and that discretionary expenses are in the category of expenses that can be cut back or even eliminated.
Where this is taught
- Series SEBI-ICE · Chapter 1: Introductionintroduced here
- Series XVII · Chapter 1: Fundamental Concepts in Retirement Planningintroduced here
Related terms
- Debt to income ratioMonthly debt servicing commitment divided by monthly income — the ratio that says whether a household's income can carry the loans it already has, let alone another one.
- Disposable incomeWhat remains from monthly income after mandatory expenses — taxes and loan repayments — are met; essential living costs and discretionary spending are paid out of it, and what is left is savings.
- Savings ratioSavings relative to income, which the workbook says should ideally rise over the life cycle — read alongside a falling expense ratio and a debt-to-income ratio that peaks around a big loan.
- Expenses ratioAnnual recurring expenses divided by annual income — the share of a household's earnings consumed by regular living costs, and the exact mirror of the savings ratio.
- SavingThe difference between money earned and money spent. Saving becomes investment only when that surplus is committed for a period in the expectation of getting back a larger amount.
- Expense Protection MethodA way of estimating retirement income need by listing expected pre- and post-retirement expenses head by head and inflating the total to the retirement date — more precise than a replacement ratio, but cumbersome.
- Income Replacement RatioGross income after retirement divided by gross income just before it — the share of pre-retirement income needed to hold the same standard of living, usually put at 70 to 90 percent.
- Middle Earning YearsThe lifecycle stage of peak, stable income and settled expenses, when 50 to 60 percent of the portfolio can stay in growth assets and any shortfall in retirement saving should be caught up.
- Prevention strategyThe first of the workbook's answers to a retirement shortfall: review the corpus assumptions periodically and after every life event, so a gap is found early enough for time to close it.