KYC in Banking: Complete Guide to KYC, CKYC, Video KYC & Re-KYC

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Last Updated: July 2026

Whether you’re opening a bank account, investing in mutual funds, applying for a loan, or purchasing insurance, you’ve probably been asked to complete KYC. Many people wonder why banks repeatedly request KYC updates or what happens if they ignore a Re-KYC notice.

Know Your Customer (KYC) is an important process that helps banks and financial institutions verify the identity and address of their customers. It plays a key role in preventing identity theft, financial fraud, money laundering, and the misuse of banking services.

In India, banks and regulated financial institutions follow Reserve Bank of India (RBI) guidelines on customer identification and due diligence. Completing KYC not only helps banks comply with regulatory requirements but also protects customers by ensuring secure and transparent financial transactions.

In this comprehensive guide, you’ll learn what KYC is, its full form, why it is mandatory, documents required, different types of KYC, CKYC, Video KYC, Re-KYC, RBI guidelines, common mistakes to avoid, and frequently asked questions.

What Is KYC?

KYC (Know Your Customer) is the process used by banks and other regulated financial institutions to verify a customer’s identity and address before providing financial services.

The KYC process helps institutions confirm that customers are genuine and that financial services are not misused for illegal activities. It is commonly required when opening savings or current accounts, applying for loans, investing in mutual funds, purchasing insurance, opening Demat accounts, or accessing other regulated financial products.

KYC is not a one-time requirement in every case. Depending on regulatory requirements and the customer’s risk profile, banks may request customers to update or revalidate their KYC information from time to time.

KYC Full Form

KYC stands for Know Your Customer.

It is a customer identification and verification process followed by banks, Non-Banking Financial Companies (NBFCs), insurance companies, mutual fund houses, stockbrokers, payment banks, and other regulated financial institutions.

The objective is to establish the identity of customers and maintain accurate records in accordance with applicable regulatory requirements.

Why Is KYC Important?

KYC benefits both customers and financial institutions.

Importance of KYC

  • Helps prevent identity theft.
  • Reduces the risk of money laundering.
  • Supports the prevention of fraud and financial crimes.
  • Improves the security of banking and financial services.
  • Helps financial institutions comply with RBI and other regulatory requirements.
  • Enables safer digital banking and online financial transactions.
  • Protects customers from unauthorized misuse of their accounts.

A properly completed KYC process contributes to a safer and more transparent financial system for everyone.

RBI Guidelines on KYC

The Reserve Bank of India (RBI) has issued Master Directions on KYC that regulated entities must follow while onboarding customers and maintaining customer records.

The RBI’s KYC framework aims to:

  • Verify customer identity.
  • Prevent money laundering and terrorist financing.
  • Maintain accurate customer information.
  • Promote secure banking and financial transactions.
  • Reduce financial fraud.

Banks may periodically ask customers to update their KYC information based on applicable RBI guidelines and the customer’s risk category.

Documents Required for KYC

Banks generally accept Officially Valid Documents (OVDs) for completing KYC.

Commonly accepted documents include:

Identity Proof

  • Aadhaar Card
  • PAN Card
  • Passport
  • Voter ID
  • Driving Licence
  • NREGA Job Card (where applicable)

Address Proof

  • Aadhaar Card
  • Passport
  • Driving Licence
  • Utility Bills (where accepted)
  • Bank Statement (where accepted)

The exact document requirements may vary depending on the financial institution and applicable RBI regulations.

Types of KYC

Banks and financial institutions offer different methods of completing KYC.

1. Physical KYC

The customer visits the bank or branch with the required documents.

A bank official verifies the original documents and completes the KYC process.

2. e-KYC

Electronic Know Your Customer (e-KYC) enables identity verification using approved digital methods in accordance with applicable regulations.

It helps reduce paperwork and speeds up customer onboarding.

3. Video KYC

Video KYC allows eligible customers to complete identity verification through a secure live video interaction.

During the process, the customer may be asked to:

  • Show original identity documents.
  • Confirm personal details.
  • Complete live face verification.
  • Provide additional information required by the bank.

Video KYC offers convenience while maintaining regulatory compliance.

What Is CKYC?

CKYC (Central KYC) is a centralized customer identification system that allows eligible financial institutions to access a customer’s KYC information after obtaining the necessary consent and following applicable regulations.

Once a customer completes CKYC, they are assigned a CKYC Identifier (KIN).

This can help simplify future KYC processes with participating financial institutions by reducing the need to submit the same documents repeatedly.

What Is Re-KYC?

Re-KYC refers to the periodic updating or revalidation of customer information by banks and regulated financial institutions.

Banks may request Re-KYC to:

  • Update customer records.
  • Verify changes in address or identity details.
  • Comply with RBI regulations.
  • Maintain accurate customer information.

If you receive a Re-KYC notification from your bank, complete the process within the specified time to avoid inconvenience in accessing banking services.

Common Mistakes to Avoid

Many customers delay or ignore KYC updates, which can lead to inconvenience while using banking services.

Avoid these common mistakes:

  • Ignoring Re-KYC notifications from your bank.
  • Submitting expired or invalid identity documents.
  • Providing incorrect personal information.
  • Not updating your address or mobile number after a change.
  • Sharing Aadhaar, PAN, OTP, or banking credentials with unauthorized persons.
  • Falling for fake KYC update links or phishing messages.

Always complete KYC only through your bank’s official branch, website, mobile app, or authorized channels.

Key Takeaways

  • KYC stands for Know Your Customer.
  • KYC helps banks verify customer identity and address.
  • It is mandatory for most banking and financial services.
  • Banks follow RBI guidelines while conducting KYC.
  • KYC can be completed through Physical KYC, e-KYC, Video KYC, or CKYC, depending on the service and institution.
  • Customers may be required to complete Re-KYC periodically.
  • Never share confidential banking information while completing KYC.

Frequently Asked Questions (FAQs)

1. What is KYC in banking?

KYC (Know Your Customer) is the customer identification and verification process followed by banks and regulated financial institutions before providing financial services.

2. Is KYC mandatory for opening a bank account?

Yes. Banks are generally required to complete KYC before opening most types of accounts, in accordance with applicable RBI regulations.

3. What documents are required for KYC?

Commonly accepted documents include Aadhaar Card, PAN Card, Passport, Voter ID, Driving Licence, and other Officially Valid Documents (OVDs), depending on the institution.

4. What is the difference between KYC and CKYC?

KYC is the customer verification process carried out by a financial institution. CKYC is a centralized KYC system that enables participating institutions to use a customer’s verified KYC record, subject to applicable rules.

5. Why does my bank ask for Re-KYC?

Banks periodically request Re-KYC to update customer information and comply with RBI’s KYC requirements.

6. Can I complete KYC online?

Many banks provide online KYC options such as e-KYC or Video KYC for eligible services, subject to regulatory requirements.

7. What happens if I don’t complete Re-KYC?

The bank may place restrictions on certain account operations until the required KYC update is completed, in accordance with applicable regulations.

8. How can I avoid KYC fraud?

Complete KYC only through your bank’s official channels. Never share your OTP, PIN, passwords, Aadhaar details, or banking credentials with unknown persons or through suspicious links.

Conclusion

Know Your Customer (KYC) is a vital part of India’s banking system that helps protect both customers and financial institutions from fraud, identity theft, and financial crimes. By completing KYC accurately and responding promptly to Re-KYC requests, you can continue using banking services smoothly while contributing to a safer financial ecosystem.

Always follow your bank’s official communication, keep your KYC documents updated, and be cautious of fake KYC scams that attempt to steal personal or banking information.

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About the Author

Suresh Vankar is a finance professional with over 15 years of experience in banking, lending, insurance, and branch management. Through SV Finance, he shares practical, research-based content on banking, taxation, government schemes, investments, loans, insurance, and personal finance to help Indian readers make informed financial decisions.

Disclaimer

This article is for educational purposes only and should not be considered financial, legal, or regulatory advice. KYC requirements, acceptable documents, and customer due diligence procedures are governed by the latest RBI Master Directions and may change over time. Always follow the instructions issued by your bank or the applicable financial institution for the most up-to-date KYC requirements.

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