Class 3 DSC for Tender Submission in India Complete Guide 2026

Online tender submission has become the standard process in India. Government departments, PSUs, and many private organizations now accept bids only through e-tender portals. To take part in this system, bidders must use a digital signature instead of a physical one.

This is where Class 3 DSC for Tender Submission in India becomes important.

If you are planning to apply for a Class 3 Individual Combo DSC, choosing the right service provider makes a big difference. Rajasthan DSC offers a simple and reliable process with quick approval, clear guidance, and secure USB token support, making it a suitable option for individuals who need a DSC without delays.

What Is a Class 3 Digital Signature Certificate?

A Class 3 Digital Signature Certificate is an electronic signature used to prove your identity online. It works like your handwritten signature, but in digital form.

For tender bidding, this certificate is used to sign tender documents electronically before submission on e-procurement portals.

Among all digital signature types, Class 3 DSC provides the highest level of security. That is why it is compulsory for e-tendering in India.

Why Class 3 DSC Is Mandatory for Tender Submission in India

Tender documents involve contracts, money, and legal responsibility. Because of this, the government needs a secure way to verify bidders.

Class 3 DSC for Tender Submission in India is mandatory because it:

• Confirms the identity of the bidder
   
• Ensures documents are signed by an authorized person
• Prevents data changes after submission
• Keeps the bidding process fair and transparent
• Is legally valid under Indian IT laws

Without a valid DSC, tender portals do not allow the final submission of bids.

Who Needs DSC for Government Tenders in India?

A DSC for government tenders in India is required by anyone who wants to participate in online bidding, such as:

• Contractors and builders
• Suppliers and vendors
• Manufacturing companies
• Service providers
• MSMEs and startups
• Proprietorship firms
• Partnership firms
• Private limited companies
• Authorized signatories of organizations

The DSC is always issued in the name of an individual, even if it is used for a company.

Types of Class 3 DSC Used for E Tendering

Before applying, you should know which type of DSC you need.

Class 3 DSC – Signing

This is used only for digitally signing tender documents. It is sufficient for most e-tender portals.

Class 3 DSC – Signing and Encryption

This is used for signing documents and encrypting data. It is useful if you also handle confidential online communication.

Many bidders choose the combo option because it works for multiple purposes.

Validity Period of Class 3 DSC

A Class 3 DSC online is issued with a fixed validity period:

• 1 year
• 2 years
• 3 years

Once the validity expires, the DSC cannot be used. If your certificate expires before the tender closing date, you will not be able to submit or modify your bid.

Documents Required for Class 3 DSC

Submitting the correct documents is very important. Any mismatch can delay approval.

Documents for Individuals

• PAN card
• Aadhaar card or Passport
• Passport-sized photograph
• Active mobile number and email ID

Documents for Companies

• PAN and ID proof of the authorized signatory
• Authorization letter or board resolution
• Company details

All details must match exactly with the application form.

How to Apply for Class 3 DSC Online

The process to apply for Class 3 DSC for Tender Submission in India is simple and mostly online.

Step 1: Choose a Trusted DSC Provider

Select a licensed and government-approved DSC provider.

Step 2: Fill the Online Application

Enter personal or company details and choose the DSC type and validity.

Step 3: Upload Required Documents

Upload clear scanned copies of documents.

Step 4: Complete Identity Verification

Verification is done through:

• Video verification
• OTP-based verification
• In-person verification (in some cases)

Step 5: DSC Issuance

After approval, your DSC is issued and stored in a USB token.

In most cases, the process is completed within one or two working days.

What Is a USB Token DSC?

A USB token DSC is a secure device that stores your digital signature.

To sign tender documents:

• Insert the USB token into your computer
• Enter the token password
• Digitally sign the files

The DSC cannot be copied or misused without the token, which makes it safe and secure.

How to Use DSC for E Tendering

After receiving your DSC, follow these steps:

• Install USB token drivers
• Install DSC utility software
• Log in to the e-tender portal
• Register your DSC on the portal
• Test the DSC before bidding
• Sign and submit tender documents

Always test your DSC at least one day before the deadline to avoid last-minute problems.

Common Problems Faced While Using DSC

Many bidders face small issues while using DSC for e-tendering. These are easy to fix.

DSC not detected

• Reinstall token drivers
• Try a different USB port
• Restart the computer

Portal not accepting DSC

• Check if DSC is registered on the portal
• Use the recommended browser
• Update required software

DSC expired

• Renew the DSC before the tender deadline

Cost of Class 3 DSC in India

The cost of a Class 3 DSC depends on:

• Validity period
• Type (signing or combo)
• USB token inclusion

Prices are usually affordable, but always confirm whether the USB token is included.

Is Digital Signature for Tender Bidding Safe?

Yes. A digital signature for tender bidding is completely safe and legally valid.

It:

• Protects tender data
• Prevents misuse
• Is accepted by all major tender portals
• Is recognized under Indian law

Using a DSC protects both the bidder and the tender authority.

Important Tips for Tender Bidders

• Apply for DSC early
   
• Do not wait until the last day
• Keep the token password safe
• Do not share your DSC
• Renew before expiry
• Always test before submission

These simple habits can save you from missing important tenders.

Final Conclusion

To participate in online tenders, having a Class 3 DSC for Tender Submission in India is not optional—it is mandatory. It allows secure, legal, and smooth submission of bids on e-procurement portals.

Whether you are a first-time bidder or a regular contractor, a valid Class 3 Digital Signature Certificate ensures that your tender process remains simple and stress-free. Apply early, choose the right DSC type, and always stay prepared.

Frequently Asked Questions (FAQs)

1. Is Class 3 DSC compulsory for tender submission in India?

Yes. For most government and PSU e-tenders, Class 3 DSC for Tender Submission in India is compulsory. Without it, you cannot digitally sign or submit your tender documents on e-procurement portals.

2. Can I use one Class 3 DSC for multiple tender portals?

Yes. One Class 3 Digital Signature Certificate can be used on multiple tender portals, as long as it is valid and registered on each portal separately.

3. Can a company use one DSC for all employees?

No. A DSC for government tenders in India is issued in the name of an individual, not the company. Each authorized person who signs tenders must have their own Class 3 DSC.

4. How long does it take to get a Class 3 DSC?

In most cases, Class 3 DSC online is issued within 1 to 2 working days after document submission and identity verification. Some providers may issue it faster if all details are correct.

5. What happens if my DSC expires before tender submission?

If your DSC expires, you will not be able to sign or submit the tender. That is why you should always check the validity of your USB token DSC and renew it before the tender deadline.

6. Is Class 3 DSC safe to use for e-tendering?

Yes. DSC for e-tendering is safe and secure. The digital signature is stored in a USB token and protected by a password, which prevents misuse and keeps your tender data secure.