The general ledgerThe general ledger (GL) is the master record of every financial transaction a business makes. Picture a thick notebook with one page for each account: a page for Bank, a page for Sales, a page for Rent, a page for what customers owe. The list of those pages is called the chart of accounts.
Nothing goes into the ledger directly. A sale, a bill or a salary payment is first written as a journal entry, which names the accounts it touches. The entry is then copied, or posted, onto those pages. At month end each page is totaled, and those totals produce the income statement and the balance sheet.
Big businesses keep detail in sub-ledgers: one for customers, one for suppliers, one for fixed assets, one for payroll. Each sub-ledger lists every customer or item separately, and its total sits in one summary page in the GL called a control account.
The golden rule: two sides to every entry
Every transaction changes at least two accounts. One is debited (Dr) and one is credited (Cr), always for the same amount. Which side makes an account grow depends on its type.
A sale for cash debits Bank (an asset that grew) and credits Sales (income that grew). Paying rent debits Rent Expense (an expense that grew) and credits Bank (an asset that shrank). Because every entry has equal debits and credits, the whole ledger always has equal debits and credits too.
Sharma Stationery, step by step
Mr. Sharma opens a stationery shop in April. These nine entries are everything that
happened in the first month.
Posting to the ledger
Posting means copying each entry onto the account pages. Here is the Bank page as a T-account. Everything debited to Bank goes on the left, everything credited goes on the right, and the balancing figure makes both sides equal.
Doing the same for every account gives the closing balance of each page.
Trial balance and balance sheet
The trial balance lists every ledger balance in two columns. If the two columns add up to the same total, the books are balanced arithmetically.
A balanced trial balance is not proof of correct books. If an entry is posted to the
wrong account for the right amount, or an entry is missed on both sides, the totals
still match. This gap is the reason reconciliation exists.
From the same balances we get the financial statements. The shop's profit comes
from the income and expense accounts: sales of ₹70,000, less cost of goods of
₹45,000, less rent of ₹10,000, leaves a profit of ₹15,000. The remaining accounts
form the balance sheet, where assets equal liabilities plus equity.
Balance sheet reconciliation
The balance sheet says Sharma Stationery has ₹2,15,000 in the bank. That number
comes from the ledger, and the ledger is only as good as the entries typed into it.
Reconciliation proves each balance sheet number against evidence from outside
the ledger and explains every difference.
Bank Reconciliation
A difference is one of two things. A timing item is real but will clear on its own in a few days, so no correction is needed. An error is a mistake or a missing entry, and it needs a correcting journal entry.
Worked example: the bank
The ledger shows ₹2,15,000 in the bank. The bank statement for the same date shows ₹2,10,700. Four things explain the gap. Outstanding cheque, ₹10,000. The rent cheque is written, but the landlord has not deposited it yet. This is a timing item.
Deposit in transit, ₹15,000. Mehta's payment was deposited on the last evening and the bank has not credited it yet. This is a timing item.
Bank charges, ₹500. The bank deducted fees that the shop has not recorded. This is a missing entry.
Interest received, ₹1,200. The bank paid interest that the shop has not recorded. This is a missing entry.
Adjust each side separately. The books side takes in the items the shop forgot. The bank side takes in the items the bank has not caught up with.
The same six steps every time
Worked example: the bank
The ledger shows ₹2,15,000 in the bank. The bank statement for the same date shows ₹2,10,700. Four things explain the gap. Outstanding cheque, ₹10,000. The rent cheque is written, but the landlord has not deposited it yet. This is a timing item.
Deposit in transit, ₹15,000. Mehta's payment was deposited on the last evening and the bank has not credited it yet. This is a timing item.
Bank charges, ₹500. The bank deducted fees that the shop has not recorded. This is a missing entry.
Interest received, ₹1,200. The bank paid interest that the shop has not recorded. This is a missing entry.
Adjust each side separately. The books side takes in the items the shop forgot. The bank side takes in the items the bank has not caught up with.
Whatever the account, the routine is the same. Accountants write it up as a reconciliation sheet, and a second person reviews it so one person cannot hide a mistake.
The balance sheet shows true figures, with no hidden errors. Theft, fraud and mistakes surface early, while they are still small. Auditors and tax authorities accept the books with fewer questions.
The month-end close finishes sooner because problems are found during the month, not on the last day.
Many companies track the status of every account's reconciliation in software such as BlackLine, SAP, Oracle or NetSuite, which also matches thousands of bank lines automatically. The logic underneath is the one you just worked through by hand.
Where this work happens: BPO, KPO and GCC
Ledger and reconciliation work is done every month by a very large number of people, and in India much of it sits inside three kinds of teams. You will meet these abbreviations in almost every finance job advertisement, so it helps to know what each one means.
Many companies track the status of every account's reconciliation in software such as BlackLine, SAP, Oracle or NetSuite, which also matches thousands of bank lines automatically. The logic underneath is the one you just worked through by hand.
Ledger and reconciliation work is done every month by a very large number of people, and in India much of it sits inside three kinds of teams. You will meet these abbreviations in almost every finance job advertisement, so it helps to know what each one means.
BPO (Business Process Outsourcing). A company hands a routine, rule-based process to a service vendor. In accounting this includes bookkeeping and payroll data entry.
KPO (Knowledge Process Outsourcing). The vendor does higher-value work that needs real expertise, such as analysing changes in financial statements or examining tax returns and contracts. CPA Practice Advisor draws this line between the two.
GCC (Global Capability Centre). A company's own team in another country, also called a captive centre. A Nasscom and Zinnov report counted 2,117 GCCs in India in FY26, with $98.4 billion in revenue and 2.36 million professionals. The report says these centres increasingly own whole products, platforms and business outcomes, and use AI in their internal operations. YourStory summarises the report.
The monthly rhythm: record to report
Finance teams call the whole monthly cycle record to report, or R2R. Numeric describes seven steps: collecting data from ERPs, sub-ledgers, bank feeds and payroll, recording journal entries, reconciling accounts, closing the books, consolidating entities, reporting, and a strategic review.
Reconciliation sits in the middle for a reason. Balances must be proved before the books can be closed, so a late reconciliation delays every step after it. A BPO or KPO team usually works to its client's close calendar. A GCC team may own the calendar for its parent company's close.
Matching bank lines to ledger lines
Reconciliation software does at scale what you did by hand for Sharma Stationery. It runs a series of matching rules, clears what matches, and sends the rest to a person. Real tools match on references such as a UTR number or cheque number first. The sketch below keeps only the amount and date rules to stay short.
Reconciliation software does at scale what you did by hand for Sharma Stationery. It runs a series of matching rules, clears what matches, and sends the rest to a person. Real tools match on references such as a UTR number or cheque number first. The sketch below keeps only the amount and date rules to stay short.
Controls that make the work trustworthy
Maker and checker - The preparer completes the reconciliation and a different person review and signs it.
Evidence on file - Each reconciliation keeps its proof, such as the bank statement, the sub-ledger report or the count sheet.
Ageing rules - Open items older than a set limit, such as 30, 60 or 90 days, are escalated.
Segregation of duties - The person who posts a journal should not be the one who approves it.
Audit trail - The system records who did what and when, so auditors can follow every number back.
Ageing rules - Open items older than a set limit, such as 30, 60 or 90 days, are escalated.
Segregation of duties - The person who posts a journal should not be the one who approves it.
Audit trail - The system records who did what and when, so auditors can follow every number back.
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