What if every rupee of this salary needed a job?
Zero-based means Bharuch’s ₹64,000 is fully employed. Leftover “miscellaneous” is how food delivery becomes a line item with no name.
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Unassigned rupees go to someone else’s P&L
The Bharuch plant pays on the 1st. By the 11th someone says “where did ₹8,000 go.” It went to a category you refused to name.
Zero-based: income minus every named line = 0. SIP is a named line. So is “Swiggy cap ₹2,200.” So is petrol. If you cannot name it, it still happens.
If you skip this step, the rest is theatre.
Bharuch kitchens already know this. Relatives on the group chat are slower.
It is arithmetic plus behaviour. The arithmetic is easier.
On ₹64,000: rent 16k, kitchen 12k, commute 4k, parents 6k, term+health 2k, SIP 8k, oats FD 3k, wants 8k, buffer rounding 5k. That already is a full stop.
If the pair already pinches, do not dress it up with a braver rate.
A dated goal in a small-cap fund is how holidays become credit-card stories.
List categories until the sum matches in-hand
Dump last 90 days of UPI. Cluster. Those clusters are your categories. Ugly but honest.
Put SIP next to rent, not after “if anything left.” Use the SIP calculator so the line is a number.
Open a calculator and type the ugly version first—₹7,400 labelled “other.” In 12 months that is ₹88,800 you will swear you never had. You had it. You just refused it a title..
Pretty assumptions belong in investor-day decks, not in your rent money.
AMFI will tell you the SIP can fall. That is why oats sit in an FD calculator, not in the same folio.
RBI financial education is repetitive on purpose. Envelope systems are not a Western fad; they are how you stop mystery UPI.
If you cannot explain the result to a slightly impatient parent, you do not understand it yet.
“Misc” is a leak with a respectable font
Zero-based as a 40-row spreadsheet you abandon in 11 days.
Counting a reimbursed office meal as savings.
A category called “investments” that is actually a credit-card bill.
Reels compress this into a punchline. Your salary does not compress.
Your cousin’s 2017 small-cap luck is not a policy.
A plan that never gets a yearly refresh is a framed poster.
Miss two annual check-ins in Bharuch and you will still blame rates. Rates were the smaller leak.
Give SIP a line, not leftover crumbs
10–15 lines max. If you need 40, you will quit.
Payday ritual: paste actuals, set next month. Fifteen minutes.
If a line explodes, cut a want the same week. Do not “borrow” SIP.
If a card is revolving, this page is homework, not a green flag to invest more.
Investing while revolving a 36% card is theatre.
Cut the size before you cut the habit. Habits are expensive to rebuild.
A smaller SIP or a shorter loan goal beats a heroic screenshot you cancel in six weeks.
₹64,000 employed to the last hundred
₹8,000 SIP as a named employee of this salary. Not a hero. An employee.
Wants ₹8,000 cap. Hit it on the 21st? Kitchen cooking, not a top-up from SIP.
Mystery ₹7,400/month named and killed is a second SIP you found in the sofa.
Those are planning numbers, not a promise from a mutual fund or a bank RM.
If the plan only works at 18% returns or a 6% home loan forever, it is not a plan.
The bear version is the one you should be able to explain at dinner.
Keep a 10% haircut for tax, fees, or the extra month the builder delays.
Rewrite on payday, not on guilt Sunday
Every rupee works a shift or it moonlights.
Zero leftover is the point. Not a personality.
Boring consistency beats a dramatic restart every January.
Calendar reminder beats a quote about discipline.
A Bharuch cousin who wants a shortcut can get this page. They cannot get your leftover salary.
And please date your spreadsheet. Future you will not remember which fantasy version this was.
Estimates only. Lender, CA, or advisor before you move real money.
Quick answers
Is zero-based budgeting too intense for a salary?
It is a payday 15-minute job, not a lifestyle brand. Name 10–15 lines including SIP until the total matches in-hand.
Where do I put debt payments?
Named lines. Minimums are bills. Extra principal is a goal, like SIP, not “misc.”
Can the leftover be ₹2,000 as fluff?
Call it buffer, cap it, and notice if it always vanishes. SEBI’s educational bits on goals beat unnamed fluff.
Change the numbers in the calculator above and see the result on this page.
Estimates only—not personalised financial, tax, or investment advice. Markets, loan rates, and tax rules change. Confirm numbers with your lender, CA, or advisor before acting.