Chapter 1: Banker-Customer Relationship

📚 JAIIB 2025 • PPB • Module A • Chapter 1 of 21

Banker-Customer Relationship

Who is a bank? Who is a customer? 6 types of relationships: debtor-creditor (deposits), creditor-debtor (loans), trustee-beneficiary (safe keeping), bailee-bailor (safe custody), agent-principal (collections), lessor-lessee (lockers). Deposit types and bank services.

⏱ 16 min read🎯 High Exam Weightage🧠 8 Memory Tricks⚡ 10 Flash Cards

Banky’s First Day at the Bank! 🏦

Welcome to PPB — Paper 2 of JAIIB! This is where you learn HOW banking actually works. Chapter 1 starts with the most fundamental question: what is the RELATIONSHIP between a bank and its customer? Spoiler: it changes depending on what you’re doing!

“Sir, I just joined the bank. A customer deposited ₹1 lakh. Am I his debtor or creditor? And when he takes a loan, does the relationship reverse?!” 🏦
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Section 1 of 9

Why Read This Chapter?

Understanding the bank-customer relationship is the FOUNDATION of all banking operations

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Sir, why does the relationship between a bank and customer matter so much?
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Banky, because every transaction creates a different legal relationship! When a customer deposits money → bank is debtor (owes money back). When customer takes a loan → bank is creditor (customer owes the bank). When customer keeps valuables in safe custody → bank is bailee/trustee. When bank collects a cheque → bank is agent. When bank rents a locker → bank is lessor. Each relationship has different legal rights and obligations. Get this wrong = legal trouble!
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Exam Marks

3-5 questions — debtor-creditor (deposits), creditor-debtor (loans), bailee-bailor (safe custody), agent-principal (collections), lessor-lessee (lockers), trustee (specific purpose deposits). Very high weightage! Foundation chapter.

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Career Growth

Every interaction at your branch creates a legal relationship — understanding them = handling customers correctly

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Real Life

You’ll understand YOUR rights as a bank customer — when can the bank refuse payment? When must it pay?

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Section 2 of 9

How Will It Benefit You?

Real career advantages

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Give me a real scenario!
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🏦 Scenario: A customer deposits ₹5 lakh in savings account, takes a ₹10 lakh car loan, keeps gold in safe custody, and hires a locker. How many relationships exist? You answer: ‘(1) Debtor-Creditor (deposit — bank owes ₹5L). (2) Creditor-Debtor (loan — customer owes ₹10L). (3) Bailee-Bailor + Trustee (gold custody). (4) Lessor-Lessee (locker). That’s 4 different legal relationships with ONE customer simultaneously!’ Manager: ‘Perfect understanding!’ 🌟
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Section 3 of 9

What Is This Chapter About?

30-second summary

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Quick version, sir!
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This chapter covers: What is a Bank? Section 5(b) of BR Act — accepting deposits for lending/investing. Must use ‘bank/banker/banking’ in name. Who is a Customer? Person with an account + contractual relationship. Includes govt depts and corporations. Must be competent to contract. 6 Relationships: (1) Debtor-Creditor (deposits — bank is debtor, customer is creditor), (2) Creditor-Debtor (loans — bank is creditor), (3) Trustee-Beneficiary (valuables for specific purpose), (4) Bailee-Bailor (safe custody — Sec 148 Indian Contract Act), (5) Agent-Principal (collections, remittances — Sec 182 ICA), (6) Lessor-Lessee (safe deposit lockers). Also: Indemnifier-Indemnified. Deposit Products: Demand deposits (savings, current — payable on demand), Time deposits (FD, RD — payable after specified period), Hybrid/Flexi deposits. NRI deposits: NRE, NRO, FCNR(B). Services: Merchant banking, leasing, plastic money, remittances (NEFT/RTGS/IMPS/UPI), govt schemes (PPF/NPS/APY), third-party products (MF/insurance/demat), safe custody, lockers, escrow.
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Section 4 of 9

Key Definitions — Banky Asks, Mentor Explains

Every term explained like you’re 10

Critical Term
Bank (BR Act Definition)
Entity accepting deposits from public for lending/investing — must use ‘bank’ in name
Sec 5(b) BR Act

Banky’s Understanding: Section 5(b) of Banking Regulation Act, 1949: ‘Banking’ means accepting of deposits of money from the public, repayable on demand or otherwise, and withdrawable by cheque, draft, order or otherwise for the purpose of lending or investment. Section 7: No entity can use the words ‘bank’, ‘banker’, or ‘banking’ unless it is actually doing banking business. Banks also do activities under Section 6 of BR Act (ancillary services).

🧒 Analogy: Like a water tank — it COLLECTS water from many sources (deposits from public) and DISTRIBUTES it through pipes (loans and investments). Without both functions, it’s not a tank!
Critical Term
Customer
Person with an account and contractual relationship with the bank — includes companies and govt
Not defined by law

Banky’s Understanding: ‘Customer’ is not defined by law. Generally: person who has an account with the bank. For KYC: person maintaining an account and/or having business relationship. Explanation to Sec 45-Z of BR Act: ‘customer’ includes government department and corporation incorporated by/under any law. Can be individual, firm, company, society, or any separate legal entity. Must be competent to contract (sound mind, not minor — except minor’s account with guardian).

🧒 Analogy: Like a gym member — you become a ‘customer’ when you sign up (open account) and have an ongoing relationship. Anyone — individual, company, government — can be a member!
Critical Term
Debtor-Creditor (Deposits)
When customer deposits money: Bank = DEBTOR (owes money), Customer = CREDITOR (is owed money)
Core relationship

Banky’s Understanding: When customer deposits money: bank becomes debtor (borrower), customer becomes creditor (lender). Key features: (a) Bank is free to use money as it wishes. (b) Customer must DEMAND payment (bank doesn’t pay voluntarily). (c) Demand must be in writing (cheque/draft/withdrawal form) during working hours. (d) Customer has NO security from the bank. (e) Limitation doesn’t begin until demand is made (both demand and fixed deposits).

🧒 Analogy: Like lending money to a friend — your friend (bank) becomes your debtor. The friend can use the money however they want, but must return it when you ask!
Critical Term
Creditor-Debtor (Loans)
When bank lends money: Bank = CREDITOR, Customer = DEBTOR (borrower)
Reverse relationship

Banky’s Understanding: When bank lends money to customer: bank is creditor, customer is debtor. Lending = most important bank activity. Customer executes loan documents and offers security BEFORE using the facility. This relationship is the REVERSE of deposits. Both relationships can exist simultaneously with the same customer (deposit + loan). Resources mobilised from deposits are used for lending.

🧒 Analogy: The same friend (bank) now lends YOU money — now YOU are the debtor and your friend is the creditor. The roles have completely reversed!
Critical Term
Trustee-Beneficiary
Bank holds money/valuables for a SPECIFIC PURPOSE — acts in customer’s best interest
Fiduciary duty

Banky’s Understanding: Trustee = person holding assets for benefit of another (beneficiary). When customer deposits money for a specific purpose (e.g., to buy shares, as guarantee money), bank becomes trustee. Case law: Subramanyan Pillai vs Palai Central Bank — customers deposited ₹32,000 as guarantee for cars, bank failed → court held bank was trustee, money refunded as preferential debt. Trustee has fiduciary responsibility — must act in beneficiary’s best interest.

🧒 Analogy: Like asking a friend to hold ₹50,000 specifically for your wedding expenses — they can’t use it for anything else. They’re a trustee of YOUR money for YOUR purpose!
Critical Term
Bailee-Bailor (Safe Custody)
Customer deposits valuables for safe keeping: Bank = BAILEE (keeper), Customer = BAILOR (depositor)
Sec 148 ICA

Banky’s Understanding: Section 148 of Indian Contract Act, 1872: When customer deposits valuables, bonds, securities for safe custody → bank becomes bailee, customer becomes bailor. Bank is liable for any loss due to negligence. Section 164: finder must take care as an ordinary prudent man. Bank as bailee must protect the customer’s goods. Bailment = delivery of goods for some purpose, to be returned when purpose is accomplished.

🧒 Analogy: Like valet parking — you give your car (valuables) to the valet (bank) for safekeeping. The valet must take care of it and return it. If they damage it due to negligence, they’re liable!
Critical Term
Agent-Principal (Collections)
Bank collects cheques/pays bills ON BEHALF of customer: Bank = AGENT, Customer = PRINCIPAL
Sec 182 ICA

Banky’s Understanding: Section 182 of Indian Contract Act, 1872: Principal delegates authority to agent. Bank acts as agent when collecting cheques, bills, paying electricity/phone bills, insurance premiums, club fees on customer’s behalf. Agency terminates on death, insolvency, or lunacy of customer, or completion of work. Case: Traders Bank vs Kalyan Singh — for remittances, relationship held as debtor-creditor (not agency).

🧒 Analogy: Like asking your assistant to deposit a cheque, pay your bills, and collect your courier — the assistant (bank) acts as your agent, doing tasks on YOUR behalf!
Critical Term
Lessor-Lessee (Lockers)
Bank rents safe deposit locker to customer: Bank = LESSOR (owner), Customer = LESSEE (renter)
Locker rental

Banky’s Understanding: When bank hires out safe deposit lockers to customers, the relationship is lessor (bank) and lessee (customer). Bank provides the locker space; customer pays rent. Nomination facility available. Bank also acts as indemnifier in some cases (guarantees, letters of credit — bank indemnifies the customer). Additionally: Indemnifier-Indemnified relationship when bank issues guarantees.

🧒 Analogy: Like renting a storage unit — the storage company (bank) is the lessor, you (customer) are the lessee. You pay monthly rent and keep your stuff inside!
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Section 5 of 9

Chapter Explained in Simple Stories

So easy even Banky’s nephew understands

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Sir, explain this like a story!
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Three bite-sized stories coming up — impossible to forget! 🚀

🏦 Block 1: The 6 Relationships — Foundation of Banking

Every banker MUST know these 6 relationships:

(1) Debtor-Creditor: Customer deposits → bank is debtor, customer is creditor. Bank can use money freely. Customer must DEMAND payment.

(2) Creditor-Debtor: Bank lends → bank is creditor, customer is debtor. Customer executes documents + offers security.

(3) Trustee-Beneficiary: Money deposited for SPECIFIC PURPOSE → bank is trustee. Fiduciary duty.

(4) Bailee-Bailor: Safe custody of valuables → bank is bailee (Sec 148 ICA). Liable for negligence.

(5) Agent-Principal: Bank collects cheques/pays bills → bank is agent (Sec 182 ICA). Terminates on death/insolvency.

(6) Lessor-Lessee: Safe deposit lockers → bank is lessor.

Key Term
Deposit = Debtor-Creditor
When a customer deposits money, the bank becomes DEBTOR (owes money back) and the customer becomes CREDITOR. This is the PRIMARY banking relationship.
🧑‍💼 Banky: “6 relationships! Deposits = bank is debtor. Loans = bank is creditor. Safe custody = bailee. Cheque collection = agent. Locker = lessor. Got all 6! 🏦”

💰 Block 2: Deposit Products — Demand, Time & Hybrid

Demand Deposits: Payable on demand — savings account, current account. Withdrawable by cheque/draft/order.

Time Deposits: Payable after specified period — Fixed Deposit (FD), Recurring Deposit (RD). Higher interest than demand deposits.

Hybrid/Flexi Deposits: Combination of savings/current + FD. Auto-sweep: excess balance auto-converts to FD. Reverse sweep: FD broken automatically if balance falls below threshold.

NRI Deposits: NRE (repatriable, tax-free), NRO (non-repatriable, taxable), FCNR(B) (foreign currency, repatriable).

Key Term
Demand vs Time
Demand deposits = payable on demand (savings/current). Time deposits = payable after a fixed period (FD/RD). This is the fundamental classification of all bank deposits.
🧑‍💼 Banky: “Savings/Current = demand. FD/RD = time. Flexi = both. NRE/NRO/FCNR = NRI deposits! 💰”

🛎️ Block 3: Bank Services — Beyond Deposits & Loans

Remittance: NEFT, RTGS, IMPS, UPI, NACH — electronic fund transfers.

Plastic Money: Debit cards, credit cards, prepaid cards, co-branded cards.

Third-Party Products: Demat accounts, trading accounts, 3-in-1 accounts, mutual funds, life/health/motor insurance.

Government Schemes: PPF, NPS, APY, SCSS, Sukanya Samriddhi, RBI Bonds, SGB, PMJDY, PMSBY.

Safe Custody: Articles, documents, escrow accounts, trusteeship, executorship services.

Lockers: Safe deposit lockers for valuables — lessor-lessee relationship. Nomination available.

Key Term
Section 6 BR Act
Section 6 of Banking Regulation Act lists ALL activities a bank can undertake — deposits, loans, remittances, lockers, safe custody, agency services, and more. This is the legal basis for all bank services.
🧑‍💼 Banky: “Banks do SO much more than deposits and loans — remittances, cards, MFs, insurance, lockers, government schemes! 🛎️”
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Section 6 of 9

Exam Angle — Every Testable Point

All facts, numbers, definitions JAIIB tests

✅ Must-Know Facts — Highest Probability

  • Banking defined: Sec 5(b) BR Act — accepting deposits from public for lending/investing
  • Only entities doing banking can use ‘bank/banker/banking’ in name (Sec 7 BR Act)
  • Customer: person with account + business relationship — includes govt depts and corporations
  • Deposits: bank = DEBTOR, customer = CREDITOR — primary relationship
  • Loans: bank = CREDITOR, customer = DEBTOR — reverse of deposit relationship
  • Both debtor-creditor and creditor-debtor can exist simultaneously with same customer
  • Customer must DEMAND payment — bank doesn’t pay voluntarily
  • Demand must be in writing (cheque/draft/form) during working hours
  • Trustee: bank holds money/assets for SPECIFIC PURPOSE — fiduciary duty
  • Subramanyan Pillai vs Palai Central Bank: guarantee money = trust, refunded as preferential debt
  • Bailee-Bailor: safe custody of valuables — Sec 148 ICA — bank liable for negligence
  • Agent-Principal: cheque collection, bill payment — Sec 182 ICA — terminates on death/insolvency
  • Traders Bank vs Kalyan Singh: remittance relationship = debtor-creditor (not agency)
  • Lessor-Lessee: safe deposit lockers — bank is lessor, customer is lessee
  • Indemnifier-Indemnified: bank guarantees — bank is indemnifier
  • Demand deposits: savings, current (payable on demand) | Time deposits: FD, RD (fixed period)
  • NRI deposits: NRE (repatriable, tax-free), NRO (non-repatriable, taxable), FCNR(B) (foreign currency)

📝 Previous Year Questions

Q: When customer deposits money, bank is:
A: Debtor (customer is creditor) ✅
Q: Safe custody of valuables creates:
A: Bailee-Bailor relationship (Sec 148 ICA) ✅
Q: Cheque collection by bank creates:
A: Agent-Principal relationship (Sec 182 ICA) ✅
Q: Safe deposit locker creates:
A: Lessor-Lessee relationship ✅
Q: Trust relationship created when:
A: Money deposited for specific purpose ✅
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Section 7 of 9

Memory Tricks That STICK

Lock every fact permanently

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Too many facts! Help! 🤯
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These tricks will lock everything in forever! 🧲

🧠 Trick 1 — Deposit = Bank is Debtor

Primary relationship
Customer DEPOSITS → Bank OWES = Bank is DEBTOR (Bank borrowed from customer!)
When you deposit money, the bank borrows it from you. So the bank is the debtor (borrower) and you are the creditor (lender). Remember: Deposit = bank Debts you.

🧠 Trick 2 — Loan = Bank is Creditor

Reverse relationship
Customer BORROWS → Customer OWES = Bank is CREDITOR (Exactly opposite of deposit!)
When the bank gives a loan, the customer borrows. Now the bank is the creditor and the customer is the debtor. Exact reverse of the deposit relationship.

🧠 Trick 3 — 6 Relationships: DC-CD-TB-BB-AP-LL

Remember all 6
DC = Debtor-Creditor (deposits) CD = Creditor-Debtor (loans) TB = Trustee-Beneficiary (specific purpose) BB = Bailee-Bailor (safe custody) AP = Agent-Principal (collections) LL = Lessor-Lessee (lockers)
DC-CD-TB-BB-AP-LL — six pairs covering all banking relationships. Each pair tells you who is who in the relationship.

🧠 Trick 4 — Bailee = Safe CUSTODY

Sec 148 ICA
BAILEE = Bank keeps your stuff SAFE (Sec 148 Indian Contract Act) Liable for NEGLIGENCE!
When you give valuables for safe custody, the bank becomes bailee (keeper) under Sec 148 ICA. The bank must take care as a prudent person and is liable for negligence.

🧠 Trick 5 — Agent = COLLECTION

Sec 182 ICA
AGENT = Bank COLLECTS for you (Cheques, bills, premiums) Dies with DEATH/insolvency of customer
Bank acts as agent (Sec 182 ICA) when collecting cheques, paying bills. Agency terminates on death, insolvency, or lunacy of the customer (principal).

🧠 Trick 6 — Demand vs Time

Deposit classification
DEMAND = payable NOW (savings, current) TIME = payable LATER (FD, RD) HYBRID = both (flexi/sweep)
Demand deposits: withdraw anytime (savings, current). Time deposits: fixed period (FD, RD). Hybrid: auto-sweep between both.

🧠 Trick 7 — NRE vs NRO

NRI deposit types
NRE = Repatriable + tax-FREE NRO = Non-repatriable + TAXABLE FCNR = Foreign Currency + Repatriable
NRE: can send money back abroad, tax-free in India. NRO: rupee account, taxable, limited repatriation. FCNR(B): kept in foreign currency, repatriable.

🧠 Trick 8 — Subramanyan Pillai Case

Trust relationship
Money for SPECIFIC purpose = TRUST! Palai Central Bank case: Guarantee money = trust = preferential debt
When money is deposited for a specific purpose (like buying shares or car guarantee), the bank becomes a trustee. If the bank fails, this money is refunded as preferential debt.
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Section 8 of 9

Visual Summary — Chapter Map

Entire chapter in one diagram

Banker-Customer Relationship — Chapter 1 Map🏦 BANK ↔ CUSTOMER💰 DEBTOR-CREDITORDeposits: Bank=debtor, Customer=creditorMust DEMAND payment | Sec 5(b) BR Act🏦 CREDITOR-DEBTORLoans: Bank=creditor, Customer=debtorDocuments + security before lending🤝 TRUSTEE-BENEFICIARYMoney for SPECIFIC purposeFiduciary duty | Palai Central Bank case📦 BAILEE-BAILORSafe custody | Sec 148 ICA | Negligence liable📋 AGENT-PRINCIPALCollections | Sec 182 ICA | Ends on death🔐 LESSOR-LESSEESafe deposit lockers | Nomination availableDeposits: Demand (SB/CA) + Time (FD/RD) + Hybrid | NRI: NRE + NRO + FCNR(B) | Services: Sec 6 BR Actbankerbro.com/ • JAIIB PPB Chapter 1 • Module A
Section 9 of 9

Flash Revision — Last-Minute Cards

Read these 10 minutes before exam

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EXAM IN 15 MINUTES! 😰
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10 cards — read twice, you’ll get every question right! 💪
Deposits
Bank = DEBTOR | Customer = CREDITOR
Bank must pay on demand | No voluntary payment
Loans
Bank = CREDITOR | Customer = DEBTOR
Customer executes documents + offers security
Trust
Money for SPECIFIC purpose = Trustee
Fiduciary duty | Palai Central Bank case
Safe Custody
Bank = BAILEE | Customer = BAILOR
Sec 148 ICA | Bank liable for negligence
Collections
Bank = AGENT | Customer = PRINCIPAL
Sec 182 ICA | Terminates on death/insolvency
Lockers
Bank = LESSOR | Customer = LESSEE
Safe deposit lockers | Nomination available
Demand Deposits
Savings + Current = payable on demand
Withdrawable by cheque/draft/order
Time Deposits
FD + RD = payable after fixed period
Higher interest than demand deposits
NRI Deposits
NRE (repatriable) | NRO (non-repat) | FCNR(B)
NRE=tax-free | NRO=taxable | FCNR=foreign currency
BR Act
Sec 5(b) = banking definition | Sec 6 = activities | Sec 7 = name
Only banks can use ‘bank/banker/banking’ in name

⚡ Chapter 1 Complete — Banker-Customer Relationship

  • Banking: Sec 5(b) BR Act — accepting deposits from public for lending/investing
  • 6 Relationships: Debtor-Creditor (deposits), Creditor-Debtor (loans), Trustee (specific purpose), Bailee (safe custody), Agent (collections), Lessor (lockers)
  • Deposits = bank is debtor | Loans = bank is creditor | Both can exist simultaneously
  • Bailee: Sec 148 ICA (safe custody, negligence liable) | Agent: Sec 182 ICA (collections, terminates on death)
  • Deposits: Demand (savings/current) vs Time (FD/RD) vs Hybrid | NRI: NRE/NRO/FCNR(B)
  • Services: remittances, cards, MFs, insurance, lockers, govt schemes, safe custody, escrow

Banky says: “6 relationships mastered! Deposit=debtor, loan=creditor, custody=bailee, collection=agent, locker=lessor!” 🎉🏦

You now understand the FOUNDATION of banking — every transaction creates a legal relationship. This knowledge will guide you through every chapter of PPB! 💪

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