Why It’s Necessary to Link Aadhaar Card with Mobile Number – Full Process Explained

By Siddhi Jain | Jun 8, 2025, 11:20 IST

Linking your Aadhaar card with your mobile number is more than just a formality—it’s a security measure and a gateway to multiple government and non-government services. The Unique Identification Authority of India (UIDAI) has advised all Aadhaar cardholders to ensure their mobile number is correctly linked to their Aadhaar. Here’s why it matters and how to do it.

📲 Why Linking Aadhaar with Mobile Number Is Important

Aadhaar is a vital identity document used for various purposes, including banking, government subsidies, e-KYC, and online verifications. While a mobile number is not mandatory at the time of Aadhaar enrollment, linking one is strongly recommended for the following reasons:

✅ OTP Verification: Most Aadhaar-based verifications (e-KYC, updates, authentication) require an OTP (One-Time Password) sent to the registered mobile number.
🔒 Fraud Protection: Linking a mobile number helps protect your Aadhaar from unauthorized access. Without OTP verification, no one else can misuse your Aadhaar information.
💻 Access to Online Services: Services such as updating your Aadhaar, downloading e-Aadhaar, or checking Aadhaar status require a mobile-linked OTP.

UIDAI recently emphasized this via its official handle on social media, urging citizens to ensure their mobile numbers are linked.

🛑 Disadvantages of Not Linking Mobile Number with Aadhaar

If you haven’t linked your Aadhaar with your mobile number, you may face:

❌ Banking Issues: Trouble accessing banking services, like updating KYC or enabling net banking.
❌ Government Scheme Blockages: You may miss out on direct benefit transfers (DBT) or other government subsidies.
❌ e-KYC Failure: Many apps and services require Aadhaar-based electronic KYC. Without a linked number, your verification cannot be completed.

🔗 How to Link Aadhaar Card with Mobile Number

You can link your mobile number to Aadhaar through both online and offline methods:

🖥️ 1. Online Method via MyAadhaar Portal

Visit: https://myaadhaar.uidai.gov.in
Login using Aadhaar number and OTP.
Go to the “Update Aadhaar” section.
Choose mobile number update/link.
Enter your new number and submit.
Note: This feature is limited to users with an existing registered number.

🏢 2. Offline Method via Aadhaar Seva Kendra

Visit your nearest Aadhaar Enrollment/Update Centre.
Fill out the Aadhaar Correction Form with your mobile number.
Submit a copy of your Aadhaar card.
Pay a fee of ₹50.
You will receive an acknowledgment slip, and the mobile number will be linked in a few days.

📝 Documents Required

Aadhaar card (original and photocopy)
Mobile number to be linked
No additional document is required unless there's an address or name update

✅ Final Takeaway

Linking your Aadhaar with your mobile number is essential for secure access to many vital services. It’s a simple and affordable process that protects your identity, facilitates digital access, and ensures uninterrupted benefits from banks and government schemes.

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