A digital signature is a secure digital signing method that uses a Digital Signature Certificate (DSC). It is issued by authorized certifying authorities in India.
A digital signature works through encrypted keys and certificates. It is commonly used for:
• Government filings
• GST filing
• MCA filing
• Income tax returns
• Business agreements
• Legal documents
Users need a dsc certificate online or physical token to use digital signatures.
Main Difference Between eSign and Digital Signature
Let’s understand the difference in very simple way.
| Feature | eSign | Digital Signature |
| Verification Method |
Aadhaar OTP |
DSC Certificate |
| Setup Process |
Quick and easy |
Requires certificate setup |
| Hardware Token |
Not required |
Sometimes required |
| Usage |
Simple online signing |
Official and legal filings |
| Authentication |
Aadhaar-based |
Certificate-based |
| Cost |
Usually low |
Can be higher |
| Best For |
General document signing |
Legal and compliance work |
How Aadhaar eSign Works?
The aadhaar esign process is connected with Aadhaar authentication.
When a user signs a document:
• Aadhaar number is entered
• OTP is sent to registered mobile number
• User verifies OTP
• Signature is added digitally
This process is very fast and easy for normal document signing.
How Digital Signature Works?
A digital signature uses cryptographic technology.
The user receives a DSC certificate from a licensed provider. This certificate contains secure digital keys used for signing documents.
The signature proves:
• Document authenticity
• Signer identity
• Data security
• Non-tampering of document
This method is highly secure and legally accepted.
Uses of eSign in India
esigning is becoming popular because it is simple and quick.
Common uses include:
• Online agreements
• Rental agreements
• HR documents
• Bank forms
• Insurance forms
• Customer onboarding
Businesses prefer eSign because customers can sign documents from anywhere.
Uses of Digital Signature in India
Digital signatures are mainly used for official and compliance purposes.
Common examples:
• GST registration
• Company incorporation
• Income tax filing
• Tender submission
• Legal contracts
• Government portals
Many companies use PDF digital signature online systems for secure business documents.
Is eSign Legally Valid in India?
Yes, eSign is legally valid in India under the Information Technology Act, 2000.
Aadhaar-based eSign follows proper authentication methods and is accepted for many online transactions.
Is Digital Signature Legally Valid?
Yes, digital signatures are also legally valid in India.
In fact, digital signatures provide a higher level of security and are commonly required for government and business compliance work.
Benefits of eSign
Easy to Use
No technical setup is needed.
Fast Process
Documents can be signed within minutes.
No Physical Presence
Users can sign remotely from any location.
Low Cost
Usually cheaper than DSC certificates.
Paperless Workflow
Supports digital business operations.
Benefits of Digital Signature
High Security
Uses encrypted certificates and secure keys.
Strong Authentication
Confirms signer identity properly.
Legal Compliance
Accepted for official government work.
Tamper Protection
Document changes can be detected easily.
Trusted for Business
Widely used by companies and professionals.
Which One Should You Choose?
The choice depends on your requirement.
Choose eSign if:
• You want quick online signing
• You need simple document approval
• You use Aadhaar-based verification
• You want low-cost signing
Choose Digital Signature if:
• You need legal compliance
• You file GST or company documents
• You require higher security
• You handle sensitive business agreements
Future of Digital Signing in India
India is rapidly moving towards digital documentation. Both esign and digital signature solutions are helping businesses become faster and more efficient.
With increasing digital adoption, online document signing will continue growing in sectors like:
• Banking
• Real estate
• HR
• Government
• Healthcare
• Finance
Secure esigning solutions are becoming important for modern businesses.