With the rise of digital India, Aadhaar has become more than just an identity proof—it’s also a gateway to secure digital services. One such service is Aadhaar eSign, which allows individuals to digitally sign documents online using their Aadhaar number and OTP verification. This eliminates the need for printing, scanning, or physically signing documents. Aadhaar eSign is legally valid under the Information Technology Act, 2000 and has the same value as a handwritten signature.

What is Aadhaar eSign?

Aadhaar eSign is a digital signature service that lets you sign electronic documents using your Aadhaar authentication.

Your Aadhaar number is used to verify your identity.
OTP or biometric verification confirms that it’s really you.
A Digital Signature Certificate (DSC) is generated by a licensed authority.
The document is signed digitally and becomes tamper-proof.

Benefits of Using Aadhaar eSign

Legally valid digital signature in India.
Time-saving – no need to print, scan, or courier documents.
Secure & tamper-proof – uses PKI encryption.
Remote access – can sign from anywhere in the world.
Eco-friendly – reduces paper use.

Where Can Aadhaar eSign Be Used?

Aadhaar eSign is accepted in multiple sectors, such as:

Government portals – Income Tax e-filing, EPFO, GST registration, DigiLocker.
Banking & Finance – loan agreements, account opening forms.
Insurance – policy issuance, claim forms.
Corporate sector – employee contracts, vendor agreements.
Education – online exam forms, e-certificates.

Step-by-Step Guide to Use Aadhaar eSign

Step 1: Visit an Aadhaar eSign-enabled platform

Examples: DigiLocker, Income Tax portal, eSign service providers, or your bank’s portal.

Step 2: Upload or open the document

Choose the document you want to sign digitally.

Step 3: Enter your Aadhaar number

Provide your 12-digit Aadhaar number.

Step 4: Authenticate via OTP or biometric

You will receive an OTP on your Aadhaar-linked mobile number.
Alternatively, some platforms allow biometric authentication.

Step 5: Generate and apply digital signature

Once verified, a Digital Signature Certificate (DSC) is generated by a Certifying Authority and your eSign is placed on the document.

The digitally signed document is now legally valid and cannot be tampered with.

Requirements for Aadhaar eSign

Active Aadhaar number
Mobile number linked with Aadhaar
Access to an Aadhaar eSign-enabled platform
Internet connection

Conclusion

Aadhaar eSign is a fast, secure, and legally recognized way to digitally sign documents in India. Whether it’s for government services, banking, or corporate use, Aadhaar eSign saves time, reduces paperwork, and ensures authenticity. With just your Aadhaar number and OTP, you can now sign important documents from anywhere, anytime.

Frequently Asked Questions (FAQs)

Is Aadhaar eSign legally valid?

Yes, Aadhaar eSign is legally valid under the Information Technology Act, 2000.

Do I need a Digital Signature Certificate (DSC) separately?

No, the DSC is generated instantly by licensed certifying authorities during the Aadhaar eSign process.

Is Aadhaar eSign free of cost?

Some platforms offer it free (like DigiLocker), while others may charge a nominal fee.

Can I use Aadhaar eSign without linking my mobile number?

No, your Aadhaar-linked mobile number is mandatory for OTP authentication.

Where can I use Aadhaar eSign?

Government portals, banks, insurance companies, corporate platforms, and education portals accept Aadhaar eSign.

Is Aadhaar eSign safe?

Yes, it uses OTP/biometric authentication and encryption to ensure security.

Can I eSign Aadhaar multiple times?

Yes, you can use Aadhaar eSign as many times as needed across various platforms.

Will I get a new Aadhaar card after eSign?

No, eSign is only a digital signature service—it doesn’t affect your Aadhaar card details.

Can companies use Aadhaar eSign for bulk documents?

Yes, many businesses integrate Aadhaar eSign for bulk agreements, HR onboarding, and customer forms.

Do I need internet access for Aadhaar eSign?

Yes, since OTP and authentication are online, an internet connection is required.

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What is eSign Aadhaar? - How to Validate Aadhaar e-Signature