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What is KYC? Why Your Bank Needs It and How to Complete It

By Sanjay Gupta26 May 20264 min read
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KYC (Know Your Customer) is mandatory for all bank accounts in India. Learn what documents are needed, how eKYC works, and how to complete it online.

What is KYC and Why Does It Exist?

KYC stands for "Know Your Customer" (also "Know Your Client"). It's a regulatory requirement under the Prevention of Money Laundering Act (PMLA), 2002, that obligates banks and financial institutions to verify the identity and address of all customers.

The purpose is straightforward: prevent financial fraud, money laundering, terrorist financing, and identity theft. When your bank knows who you are and where you live, it's harder for criminals to use the banking system anonymously.

RBI's Master Direction on KYC mandates KYC for anyone opening a bank account, investing in securities, or conducting significant financial transactions.

Types of KYC Compliance

eKYC (Electronic KYC)

eKYC uses Aadhaar-based verification through UIDAI's database. A one-time password (OTP) is sent to your Aadhaar-linked mobile number, which you share with the bank. The bank verifies your identity against UIDAI records without handling physical documents.

  • Time: Minutes
  • Documents: Only Aadhaar number needed
  • Limitations: Not accepted for all account types; some transactions require physical KYC

Video KYC

Video KYC involves a live video call with a bank representative who verifies your documents and records your face. Introduced by RBI in 2020 as a fully digital alternative to branch-based physical verification.

  • Time: 5-10 minutes
  • Documents: Aadhaar, PAN (shown to camera)
  • Advantages: Fully digital, no branch visit needed

Physical/Offline KYC

Traditional KYC requires submitting certified copies of identity and address proof documents in person at a branch or through authorized agents.

  • Documents: Self-attested copies of PAN, Aadhaar, passport-size photo, address proof
  • Accepted Proof: Passport, voter ID, driving licence, Aadhaar, NREGA job card
  • Verification: Original documents shown and verified by bank staff

Valid KYC Documents in India

Officially Accepted Identity Proofs

  • Aadhaar Card
  • PAN Card
  • Passport
  • Voter's ID Card
  • Driving Licence
  • NREGA Job Card (with photograph)
  • Letter from National Population Register (with name and photograph)

Officially Accepted Address Proofs

  • Aadhaar Card
  • Passport
  • Voter's ID Card
  • Driving Licence
  • Utility bills (electricity, water, gas — not older than 2 months)
  • Bank statement with address
  • Rental agreement
  • Employer certificate with address

Periodic KYC Updates

KYC is not a one-time requirement. Banks must update customer records periodically:

  • Periodic Updates: Every 2 years for low-risk customers, every 8-10 years for normal-risk (depending on RBI guidelines)
  • Trigger-based: Banks may ask for fresh KYC if they detect suspicious activity, change in address, or account dormancy
  • Non-compliance: Accounts with incomplete KYC after deadline can be frozen or closed

Aadhaar and KYC: Addressing Privacy Concerns

Using Aadhaar for KYC raises privacy questions. Key points:

  • Banks only receive verified status (yes/no) from UIDAI, not your Aadhaar data
  • Aadhaar numbers are masked in bank records (show only last 4 digits)
  • You can use offline Aadhaar XML (not the number itself) for verification
  • You can check your Aadhaar authentication history at uidai.gov.in
  • You have the right to deny Aadhaar-based verification and use physical KYC instead

Frequently Asked Questions

Can I complete KYC for my bank account without visiting a branch?

Yes. eKYC (via OTP to your Aadhaar-linked mobile) and Video KYC (via live video call) are both fully digital options available at most banks. These methods satisfy KYC requirements without any branch visit. Only physical KYC requires a branch visit or authorized agent visit.

What happens if my KYC is not updated?

Without updated KYC, banks restrict transactions — initially limiting withdrawal and transfer amounts, eventually freezing the account entirely. RBI mandates that accounts with incomplete KYC after the specified deadline may be closed. Update your KYC immediately when prompted by your bank to avoid service disruption.

Is Aadhaar mandatory for opening a bank account?

Not strictly. You can submit physical KYC documents (passport, voter's ID, driving licence) without Aadhaar. However, Aadhaar-based eKYC is the fastest and most convenient option, and most banks default to it for digital account opening. You have the right to opt for non-Aadhaar KYC if you have valid alternatives.

KYC Protects You Too

While KYC can feel like a bureaucratic hurdle, it protects every legitimate customer from identity fraud and financial crime. The next time your bank asks for KYC updates, remember it's part of the system keeping your money safe. Complete it promptly through eKYC or Video KYC — the fastest options that take minutes, not hours.

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Written by Sanjay Gupta

Finance writer at FinWiz24, covering personal finance, credit cards, and banking in India.