📚 JAIIB 2025 • PPB • Module C (Ch 4 of 9) • Unit 45

Data Communication Network & EFT Systems

INFINET (RBI VSAT, Saraf Committee). SWIFT (1973, Belgium, standardised, paperless). NEFT (batch, 24×7, RBI). RTGS (real-time gross, ≥₹2L, 24×7). CTS (cheque truncation, image replaces physical). IMPS (24×7, NPCI). CHIPS/CHAPS/CHATS (USA/UK/HK).

⏱ 17 min read🎯 High Exam Weightage🧠 4 Memory Tricks⚡ 8 Flash Cards

Banky Transfers Funds! 💸

From SWIFT messages for international payments to NEFT/RTGS for domestic transfers — understanding data communication and EFT systems is critical. These are the highways on which banking transactions travel!

“Sir, a customer wants to transfer ₹5 lakh urgently. Should I use NEFT or RTGS? What is the difference?” 💸

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Section 1 of 9

Why Read This Chapter?

EFT = electronic highways of banking — NEFT/RTGS/SWIFT/CTS move trillions daily

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What are the key EFT systems in India?

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Key systems: (1) NEFT: Batch-based, 24×7, operated by RBI, no minimum amount. (2) RTGS: Real-time gross settlement, minimum ₹2 lakh, 24×7, for large-value. (3) IMPS: Instant, 24×7, NPCI operated, multiple channels. (4) CTS: Cheque Truncation — electronic image replaces physical cheque, MICR, digital signature. (5) SWIFT: International messaging (1973, Belgium), standardised formats, paperless, encryption. (6) INFINET: RBI VSAT network (Saraf Committee). Global: CHIPS (USA), CHAPS (UK), CHATS (Hong Kong). All payment systems (NEFT/RTGS/IMPS/UPI) are now 24×7 (exam PYQ!).

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Exam Marks

3-4 questions — NEFT vs RTGS differences, SWIFT features (paperless/Belgium/1973), CTS = stops physical cheque movement, IMPS not only mobile (exam PYQ!), all systems now 24×7 (exam PYQ!), e-payment = messaging + settlement (exam PYQ!). Very important!

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Career Growth

Processing NEFT/RTGS/SWIFT is a daily banking function — accuracy is non-negotiable

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Real Life

You use NEFT/RTGS/IMPS/UPI for every money transfer — understanding them helps you choose wisely

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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: Customer A wants to send ₹5 lakh to Customer B at another bank. Options: (1) NEFT: 24×7, batch processing, no minimum — reaches in minutes. (2) RTGS: Real-time, minimum ₹2 lakh — instant settlement. (3) IMPS: Instant, 24×7, via mobile/internet. You advise RTGS for the ₹5L urgent transfer — settled in real-time. For ₹500 transfer → use NEFT or IMPS (no minimum). For international → SWIFT message. Manager: ‘Choose the right highway for the right journey!’ 🌟

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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: Data Communication Networks: Components: modem, front-end processor (FEP), multiplexer, gateway. Modes: simplex (one-way), half-duplex (alternating), full-duplex (simultaneous both ways). Media: wire cables, fibre optics (fast but costly), satellites (VSAT). Networks in India: INDONET/INET/BANKNET (early), NICNET (NIC), RBINet. INFINET: Indian Financial Network. RBI VSAT network. Saraf Committee recommendation. Exclusively for financial institutions. Carrier for NEFT, EDI, interactive applications. Hyderabad-based. SWIFT (1973): Society for Worldwide Interbank Financial Telecommunication. Founded 1973, 239 banks, 15 countries. HQ: Brussels, Belgium. Cooperative, non-profit. 11,000+ FIs, 215 countries. 22M+ messages daily. Standardised message formats. Paperless banking. 24×7. Security: authentication (test keys), encryption (confidentiality), checksum (prevent changes). SWIFT GPI for cross-border payments. Global Clearing: CHIPS (USA — Clearing House Interbank Payment System), CHAPS (UK), CHATS (Hong Kong). Fedwire (US Federal Reserve). EFT in India: (1) NEFT: National Electronic Fund Transfer. Batch-based (multiple settlement cycles). 24×7 (since Dec 2019). Operated by RBI. No minimum/maximum limit. Uses SFMS messaging. Sender→sending bank→NEFT clearing centre (NCC at RBI)→receiving bank→beneficiary. (2) RTGS: Real-Time Gross Settlement. Individual transaction basis (not batch). Minimum ₹2 lakh. 24×7 (since Dec 2020). For large-value transfers. Final and irrevocable. (3) CTS: Cheque Truncation System. Stops physical movement of cheques. Electronic image + MICR line replaces physical cheque. Digital signature/encryption prevents manipulation. CTS 2010 standards. Grid-based (nationwide). Benefits: faster clearing, no paper movement, fraud prevention. (4) IMPS: Immediate Payment Service. Instant, 24×7 (since Nov 2010). NPCI operated (built on NFS). Multiple channels: mobile, internet, ATM, SMS, branch, USSD. NOT only through mobile (exam PYQ!). E-payment system: Requires BOTH messaging AND settlement system (exam PYQ! — not just one).

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Section 4 of 9

Key Definitions — Banky Asks, Mentor Explains

Every term explained like you’re 10

Critical Term

NEFT vs RTGS

NEFT: batch, 24×7, RBI, no minimum. RTGS: real-time, 24×7, minimum ₹2 lakh, large-value, final+irrevocable.

Batch vs Real-time

Banky’s Understanding: NEFT: National Electronic Fund Transfer. Batch-based (multiple settlement cycles per day). 24×7 (since Dec 2019). Operated by RBI. No minimum/maximum limit. Uses SFMS messaging. Process: sender → sending bank → NCC (RBI) → receiving bank → beneficiary. Refund if failed. RTGS: Real-Time Gross Settlement. Individual transaction basis (not batch). Minimum ₹2 lakh. 24×7 (since Dec 2020). For large-value, time-critical transfers. Final and irrevocable once settled. Both operated by RBI. Both 24×7 now.

🧒 Analogy: NEFT = a bus service (collects passengers in batches, makes multiple trips). RTGS = a private taxi (each passenger goes individually, instant, but minimum fare ₹2 lakh). Both run 24×7 now, but RTGS is for big, urgent transfers!

Critical Term

SWIFT

1973, Belgium, 239 banks, standardised messages, paperless, 24×7, encryption+authentication+checksum. International messaging.

1973 Belgium

Banky’s Understanding: SWIFT: Society for Worldwide Interbank Financial Telecommunication. Founded 1973, 239 banks, 15 countries. HQ: Brussels, Belgium. Cooperative, non-profit, owned by member banks. 11,000+ FIs across 215 countries. 22M+ messages daily. Features: Standardised message formats. Paperless banking (no paper/cheque/draft exchanged). 24×7 operation. Cost-effective. Security: Authentication (test keys on entire message text — any change detected). Encryption (data confidentiality). Checksum (prevents automatic changes using text+address). SWIFT assumes financial liability for validated messages within its network. Message types: Customer payments, FI transfers, forex trading, documentary credits, securities, collections. SWIFT GPI (Global Payments Innovation) for faster cross-border payments.

🧒 Analogy: SWIFT = the postal service for international banking — but electronic, instant, standardised, and ultra-secure. Every bank in the world speaks the same SWIFT language. Like WhatsApp for banks — standardised messages, encrypted, delivered instantly worldwide!

Critical Term

CTS — Cheque Truncation System

Stops physical cheque movement. Electronic image + MICR line replaces physical. Digital signature. Grid-based nationwide. Faster clearing.

Image replaces physical

Banky’s Understanding: CTS: Cheque Truncation System. Truncation = stopping physical movement of cheques. As per amended NI Act 1881. Physical instrument replaced by electronic image + MICR line. CTS 2010 standards for enhanced security and automation. Digital signature and encryption prevent data/image manipulation during transit. Grid-based implementation (nationwide). Benefits: (1) Faster clearing (no physical transport). (2) No paper movement costs. (3) Better liquidity management for banks. (4) Fraud prevention through digital signature. (5) Standardised processes. NPCI operates CTS.

🧒 Analogy: CTS = instead of physically carrying your cheque from your bank to the other bank (which could take days), your bank takes a photo of it (electronic image) and sends it digitally. The photo IS the cheque now! Faster, safer, cheaper.

Critical Term

INFINET & Global Systems

INFINET: RBI VSAT, Saraf Committee, financial institutions only. CHIPS (USA), CHAPS (UK), CHATS (HK). Fedwire (US Fed).

Networks

Banky’s Understanding: INFINET: Indian Financial Network. Set up by RBI. Saraf Committee recommendation. VSAT-based (satellite communication). Based in Hyderabad. Exclusively for financial institutions. Carrier for NEFT, EDI, interactive applications. Reliable infrastructure despite poor terrestrial lines. Global clearing: CHIPS (USA — Clearing House Interbank Payment System). CHAPS (UK — Clearing House Automated Payment System). CHATS (Hong Kong — Clearing House Automated Transfer System). Fedwire (US Federal Reserve wire transfer). ECS (1995): RBI introduced. Credit clearing (single debit, multiple credits — e.g., salary). Debit clearing (single credit, multiple debits — e.g., EMI collection). Now replaced by NACH.

🧒 Analogy: INFINET = India’s private banking highway (only banks can drive on it). CHIPS/CHAPS/CHATS = similar highways in USA/UK/HK. Like toll roads reserved for banking traffic — fast, secure, exclusive!

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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: NEFT, RTGS & CTS

NEFT: Batch-based, 24×7, RBI operated, no minimum. SFMS messaging. Refund if failed.

RTGS: Real-time, individual transaction, minimum ₹2 lakh, 24×7, final+irrevocable.

CTS: Stops physical cheque movement. Image + MICR replaces physical. Digital signature. Grid-based.

All systems now 24×7 (NEFT/RTGS/IMPS/UPI — exam PYQ!).

E-payment = messaging + settlement (both required — exam PYQ!).

Key Term

RTGS ≥ ₹2 Lakh

RTGS has a minimum threshold of ₹2 lakh. It is for large-value, time-critical transfers. NEFT has no minimum limit and processes in batches. Both are now 24×7.

🧑‍💼 Banky: “NEFT=batch, RTGS=real-time ≥₹2L, CTS=image replaces cheque, all 24×7 now! 💸”

🌐 Block 2: SWIFT, INFINET & Global

SWIFT (1973, Belgium): Standardised messages, paperless, 24×7. Security: authentication+encryption+checksum.

11,000+ FIs, 215 countries, 22M+ messages daily. GPI for cross-border payments.

INFINET: RBI VSAT network. Saraf Committee. Financial institutions only. Hyderabad.

Global: CHIPS (USA), CHAPS (UK), CHATS (Hong Kong), Fedwire (US Fed).

IMPS: Instant, 24×7, NPCI, multiple channels — NOT only mobile (exam PYQ!).

Key Term

SWIFT = Belgium 1973

SWIFT was founded in 1973 by 239 banks across 15 countries. Headquarters: Brussels, Belgium. It is a cooperative, non-profit organisation owned by its member banks/financial institutions.

🧑‍💼 Banky: “SWIFT=1973 Belgium paperless, INFINET=Saraf VSAT, CHIPS/CHAPS/CHATS, IMPS≠only mobile! 🌐”

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Section 6 of 9

Exam Angle — Every Testable Point

All facts, numbers, definitions JAIIB tests

✅ Must-Know Facts — Highest Probability

NEFT: batch-based, 24×7 (Dec 2019), RBI operated, no minimum/maximum
RTGS: real-time gross settlement, minimum ₹2 lakh, 24×7 (Dec 2020), final+irrevocable
All payment systems (NEFT/RTGS/IMPS/UPI) are 24×7 — exam PYQ!
E-payment system requires BOTH messaging AND settlement (not just one) — exam PYQ!
SWIFT: 1973, 239 banks, Brussels Belgium, standardised, paperless, non-profit cooperative
SWIFT security: authentication (test keys), encryption (confidentiality), checksum (integrity)
CTS: stops physical cheque movement, electronic image + MICR replaces physical
CTS 2010 standards | Digital signature prevents manipulation | NPCI operates
INFINET: RBI VSAT network, Saraf Committee recommendation, financial institutions only
IMPS: instant, 24×7, NPCI operated, multiple channels — NOT only mobile phones — exam PYQ!
CHIPS (USA), CHAPS (UK), CHATS (Hong Kong) — automated clearing houses
ECS (1995): credit clearing (1 debit, many credits) | debit clearing (1 credit, many debits)
NEFT uses SFMS messaging | NCC at RBI processes
Data communication modes: simplex (one-way), half-duplex (alternating), full-duplex (both ways)

📝 Previous Year Questions

Q: IMPS allows fund transfer only through mobile:

A: (a) NOT true ✅ (multiple channels — mobile/internet/ATM/branch)

Q: 24×7 payment systems:

A: (e) ALL — UPI/IMPS/NEFT/RTGS ✅

Q: E-payment system requires:

A: (c) Both messaging AND settlement ✅

Q: BHIM stands for:

A: (a) Bharat Interface for Money ✅ (not Banking/Instant/Intelligent)

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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 — NEFT vs RTGS

Key differences

NEFT = Batch bus (no minimum) RTGS = Real-time taxi (₹2L minimum) Both 24×7 now! Both operated by RBI! RTGS = final + irrevocable

NEFT processes in batches (like a bus), RTGS settles individually in real-time (like a taxi with ₹2L minimum fare). Both are now 24×7.

🧠 Trick 2 — SWIFT = Belgium 1973

International messaging

SWIFT: S = Society (cooperative, non-profit) W = Worldwide (215 countries) I = Interbank (11,000+ FIs) F = Financial T = Telecommunication 1973 | Brussels, Belgium | Paperless!

SWIFT is a cooperative non-profit headquartered in Brussels, Belgium, founded in 1973. It provides standardised, secure, paperless messaging for international banking.

🧠 Trick 3 — CTS = Image Replaces Cheque

Truncation

CTS = TRUNCATION! (Stop physical cheque movement) Electronic IMAGE replaces physical + MICR line data + Digital signature (anti-fraud) Grid-based | NPCI operates

Cheque Truncation means the physical cheque stops moving. Instead, its electronic image and MICR data travel digitally. Digital signatures prevent tampering.

🧠 Trick 4 — IMPS ≠ Only Mobile

Multiple channels

IMPS channels: Mobile ✅ Internet ✅ ATM ✅ SMS ✅ Branch ✅ USSD ✅ (NOT only mobile! Exam trap!)

IMPS is available through multiple channels — mobile, internet, ATM, SMS, branch, and USSD. It is NOT limited to mobile phones only. This is a common exam trap.

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Section 8 of 9

Visual Summary — Chapter Map

Entire chapter in one diagram

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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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8 cards — read twice, you’ll get every question right! 💪

NEFT

Batch | 24×7 | RBI | No minimum

SFMS messaging | NCC processes

RTGS

Real-time | ₹2L minimum | 24×7

Individual basis | Final + irrevocable

SWIFT

1973 | Belgium | Standardised | Paperless

11,000+ FIs | 215 countries | Non-profit

CTS

Image replaces physical cheque

MICR + digital signature | Grid-based | NPCI

IMPS

Instant | 24×7 | NPCI | Multi-channel

NOT only mobile! ATM/internet/branch too

INFINET

RBI VSAT | Saraf Committee | FIs only

Hyderabad | Carrier for NEFT/EDI

Global

CHIPS (USA) | CHAPS (UK) | CHATS (HK)

Fedwire (US Fed) | Automated clearing

E-Payment

Messaging + Settlement = BOTH needed

Not just messaging or just settlement

⚡ Chapter 45 Complete — Data Communication Network and EFT Systems

NEFT: batch, 24×7, RBI, no minimum | RTGS: real-time, ₹2L min, 24×7, final+irrevocable
SWIFT: 1973, Belgium, standardised, paperless, encryption+authentication | 11K+ FIs, 215 countries
CTS: image replaces physical cheque, MICR+digital signature | IMPS: instant, multi-channel (NOT only mobile!)
INFINET: RBI VSAT, Saraf Committee | CHIPS/CHAPS/CHATS (USA/UK/HK) | All systems 24×7

Banky says: “NEFT=batch, RTGS≥₹2L real-time, SWIFT=1973 Belgium, CTS=image, all 24×7!” 🎉💸

You now understand the electronic highways of banking — from NEFT/RTGS to SWIFT to CTS. Money moves at the speed of light! 💪

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