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One khata per customer, or several?
His daily groceries and the fan he is paying off in installments can share one running page, or sit apart. Each answer solves a problem and creates one.

Keep one khata for everything a customer buys the ordinary way, and open a second only when a dealing has its own schedule, its own end, or its own guarantor. Anything with dates of its own belongs on its own page. Everything else belongs together, where you can see the whole man in one look.
The question arrives with the first big item
For two years Adnan has had one page in your register. Flour, oil, tea, a running total, and he clears most of it around the tenth of every month.
Then he buys a ceiling fan and asks to pay for it over six months. Now you have a decision you have never had to make about him. Does the fan go on the same page, joining a total that moves every week, or does it get a page of its own?
Most shopkeepers make this choice without noticing they are making it. Whatever the register is doing, they carry on doing, and the consequences arrive four months later when he pays Rs 5,000 and neither of you can say which part of what he owes just got smaller.
There is no single right answer here. There is a rule about which kind of dealing belongs where, and once you have it, every case that comes after answers itself in a couple of seconds.
What one khata does well
Start with the honest case for keeping everything together, because it is stronger than the tidy-minded assume.
One page gives you the whole man in one look. You can see what he owes in total, how he has paid over two years, and whether the trend is good or bad. That single view is what you actually use when he asks for something, and it is the reason a shopkeeper who knows his customers is worth more than a neat register.
One page also removes the allocation question completely. Money arrives, the total goes down, and nobody has to decide anything. That sounds small until you have watched two people argue about which of three balances a payment was meant for, which is exactly the disagreement that makes a customer saying he already paid you so hard to settle.
And one page is simply less work. Every extra page is another thing to update, another thing to total, and another thing that can quietly go stale. A shop with two hundred customers and two pages each is a shop with four hundred pages, and pages nobody reads are pages that stop being true.
There is a quieter benefit as well. A single page is a story you can read. Two years of one man's buying and paying, in order, tells you when his months are good, what he buys when money is tight, and how he behaves after a difficult conversation. Split that story across three pages and the pattern disappears, because a pattern lives in the order of things and order is the first casualty of a split record.
What separate khatas do well
Now the other side, which is stronger in exactly the situations where one page fails.
A separate page can carry dates. An installment plan has a schedule, an amount and an end, and none of those survive being mixed into a running total that changes every time he buys tea. The moment you cannot answer "how many payments are left" without doing arithmetic, the plan has stopped being a plan.
A separate page can also carry a different set of people. If a guarantor stood behind the fan but not behind the groceries, the two are not the same obligation and should not sit in one number. The same is true when a large item was bought by the household but the daily buying is done by one person.
And a separate page can end. There is real value in an account that finishes, gets closed and gets marked as completed. A running khata never ends, so a customer never gets the feeling of having cleared something, and that feeling is a large part of why people pay early on installment plans and slowly on ordinary credit.
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The four times you should definitely split
These four are not preferences. In each of them, one page will eventually cost you money or a customer.
Give it its own page when the dealing has
- Its own schedule: named amounts on named dates
- Its own end, a point where it is finished
- Its own people: a guarantor or a second buyer
- Its own agreement: a special day, price or condition
- Money flowing both ways, as with a supplier customer
- A small amount over two or three visits
- Ordinary daily buying, however large the total
The first is any dealing with a schedule. Installments, a big item paid over months, anything with named dates. Give it a page, as building a qist plan that stays fair sets out, and the plan can be read, followed and finished.
The second is any dealing with a guarantor or a second person attached. The reason is practical: on the day you need to talk to a guarantor, you must be able to say exactly what his part covers, and a single mixed total cannot tell you.
The third is a business dealing with a customer who is also something else to you. If the man who buys groceries also supplies you with eggs, those two must never share a page, or you will spend an evening a month untangling which direction the balance runs.
The fourth is a dealing that carries its own agreement: a different payment day, a promise you made about the price, or an item taken on approval. Anything you had a special conversation about deserves the page where that conversation is written down.
The test underneath all four is the same, and it is worth memorising because it settles every case you will meet. Does this dealing have dates, people or terms of its own? If yes, it is a separate thing that happens to involve the same customer, and separate things need separate pages. If no, it is more of what you already do with him, and it belongs on the page that already holds it.
The three times one page is better
Equally, there are cases where splitting is a mistake, and they are more common than the first list.
Ordinary daily buying stays on one page even when it is large. Splitting groceries from household items from phone credit produces three pages that all behave identically, and the only result is that you can no longer see his total without adding up.
Small amounts stay on one page. A Rs 900 item paid over three visits is not an installment plan, whatever anybody calls it. It is ordinary credit with a friendly tone, and giving it a page of its own is work with no benefit.
And a customer whose payments are irregular stays on one page. The whole difficulty with irregular payers is knowing where you stand, and multiplying their pages multiplies the uncertainty. Keep them together and keep them visible, which is most of what keeping regular customers and still getting paid requires.
Notice that this question is different from the household question. Whether a family shares one khata or every adult has his own is about people, and it is answered separately in one khata for the house, or one per person. This page is about one person's different dealings.
What splitting actually costs
Before you split anything, understand the one real cost, because it arrives on payment day and it surprises people.
Say he owes on two pages and hands you Rs 5,000
Made-up figures, chosen to show the shape. The amounts do not matter; the missing four seconds do.
The moment a customer has two balances, every payment needs a decision. He hands you Rs 5,000. Is it the qist, the grocery balance, or part of each? If you do not ask, you will guess, and your guess and his intention will be different roughly half the time.
The rule is short and it removes the whole problem: the payment goes where the customer says, and if he does not say, you ask, and either way you write which one it went to. It takes four seconds and it prevents the conversation that otherwise arrives in month five.
There is a default worth having for the times he genuinely does not mind. Scheduled dealings first, ordinary credit second, because the schedule has dates that matter and the running balance does not. Tell him that default once, and it stops being a surprise.
The second cost is smaller but it catches people out. Two pages means two chances for an entry to land in the wrong place, and an entry on the wrong page of the right customer is harder to find than an entry on the wrong customer entirely, because nothing about the total looks obviously wrong. The defence is the same one that protects every record: write it at the counter, name the page out loud as you write, and let the customer hear which account his purchase is going on.
How the customer experiences it
The part shopkeepers rarely think about is what the record looks like from the other side of the counter, and it changes behaviour more than it should.
A customer with one large running total has no sense of progress. He pays Rs 4,000, the number goes down, he buys again, the number goes up, and after a year he has paid a great deal of money and the page looks roughly as it always did. That feeling, however unfair, is what makes people stop paying enthusiastically and start paying reluctantly.
A dealing on its own page behaves completely differently. He can see four payments made and two remaining. There is an end, it is visible, and he is moving towards it. This is a large part of why installment plans get paid more reliably than ordinary credit of the same size, and it has nothing to do with the agreement and everything to do with what a person can see.
Use that. When a customer takes something substantial, give it its own page and show him the schedule, even if the amount would not have demanded a split on your side. What you are giving him is not paperwork, it is the ability to finish something, and people pay to finish things.
The reverse is also worth knowing. Do not split an ordinary balance into pieces to make it look smaller, because customers notice, and what they notice is a shop that is managing how things appear rather than what they are.
Making a split work in practice
If you do split, do it properly, because a half-split record is worse than either answer.
Splitting a customer's record without losing him in it
- 1Name each page for what it is, not just for him"Adnan, fan on installments" and "Adnan, shop account".
- 2Write on each page that the other one existsOne line at the top stops a helper misplacing an entry.
- 3Say the page name out loud as you write the entryThe customer hears it too, which is half the protection.
- 4Ask which account, every time money arrivesIf he does not mind: scheduled first, running second.
- 5Total every page before you give more creditA limit is about the whole man, not one of his pages.
- 6Close the finished page and mark it completedFinishing something is what makes people pay early.
Give each page a name that says what it is, not just the customer's name. "Adnan, fan on installments" and "Adnan, shop account" are readable by anybody, including you in eight months. Two pages both headed "Adnan" is how entries end up on the wrong one.
Write the other page's existence on each page. One line at the top saying there is a second account and what it is for. This is the single habit that stops a helper from putting the fan payment on the grocery page, and it costs nothing.
When you total what he owes, total both. A customer's limit is about the whole man, not one of his pages, and a shopkeeper who checks only the grocery balance before giving more credit is checking half the picture. This is where an app makes a real difference: in Wasoolo a customer can hold more than one khata, including more than one installment plan, and his overall balance adds them up for you, so the split costs you nothing at the moment you need the whole number.
Then keep the split to what earned it. Two pages is often right, three is occasionally right, and five means you have started keeping a filing system rather than a khata. If you cannot say in one sentence why a page exists, it should not be a page.
Common questions
Should an installment plan always have its own page?
Yes. It has an amount, a schedule and an end date, and none of those survive being mixed into a running total that changes every week. A plan you cannot read as a plan stops being followed by both sides.
My customer buys for his shop and for his house. Split or not?
Split only if the two are paid by different people or on different days. If he pays for both himself, from the same pocket, one page is easier for both of you and nothing is lost.
He handed me money without saying which balance it is for. What do I do?
Ask, in one short sentence. If he genuinely does not mind, apply your stated default, which should be the scheduled dealing first, and write on the page which one it went to.
Does splitting make my totals harder to trust?
Only if you forget to add them up. Whatever you use, the number you check before giving more credit must be the customer's whole balance across every page, never one page of it.
Can two pages help when a customer disputes something?
Yes, and it is one of the strongest reasons to split a big dealing. An installment plan with its own dates and payments is far easier to explain than one line inside a running total that has moved a hundred times.
How many pages is too many for one customer?
If you cannot say in one sentence why each page exists, you have too many. Two is often right, three is occasionally right, and beyond that you are keeping records for their own sake.