Digital Signature

Digital Signature Certificates (DSC) are the digital equivalent (that is electronic format) of physical or paper certificates. Few Examples of physical certificates are drivers' licenses, passports or membership cards. Certificates serve as proof of identity of an individual for a certain purpose; for example, a driver's license identifies someone who can legally drive in a particular country. Likewise, a digital certificate can be presented electronically to prove one’s identity, to access information or services on the Internet or to sign certain documents digitally.

When a signer electronically signs a document, the signature is created using the signer’s private key which is always securely kept by the signer. The mathematical algorithm acts like a cipher, creating data matching the signed document, called a hash, and encrypting that data. The resulting encrypted data is the digital signature. The signature is also marked with the time stamp that the document was signed at a specified time and at a specified day. If the document changes after signing, the digital signature is invalidated.

Authority for Issuing Digital Signatures

A licensed Certifying Authority (CA) issues the digital signature. Certifying Authority (CA) means a person who has been granted a license to issue a digital signature certificate under Section 24 of the Indian IT-Act 2000.

Advantages of Digital Signatures

Security Features
Through the use of encryption verification technology, known as Public Key Infrastructure (PKI), a digital signature offers the highest and most verifiable standard for identifying an individual by an electronic signature. The coded message in a digital signature uniquely identifies the signer and links him or her with a particular recorded document.

High Standard
PKI is a comprehensive system that can manage both certificates and keys to foster a safe and reliable environment in which to record, share, store, and retrieve signatures and signed documents. Moreover, the PKI standard is usable in conjunction with a range of applications.

Global Recognition and Acceptance
More countries are starting to accept digital signatures on legally binding documents because they understand that the security protocols offered by vendors are in compliance with international standards in the field.

Legal Compliance
Use of Digital Signatures in compliance and Filings has made legal compliance very Easy and Simple. Information Technology Act, 2000 has legalized and authenticated the use of Digital signatures in Legal Filings.

Long Term Retention and Access
The signatories to a digital signature document do not need to rely on a vendor’s continued presence in the marketplace in order to continue to verify its authenticity. Digital Signatures are provided in the Form of Token which can be very easily retained by the client for long term and access them whenever required.

Types of Digital Signatures

There are 3 types of Digital Signature Certificates, Namely :- Class-1, Class-2 and Class-3.

  • Class 1 Certificate :
    • Class 1 certificates shall be issued to individuals/private subscribers. These certificates will confirm that user's name (or alias) and E-mail address form an unambiguous subject within the Certifying Authorities database.
  • Class 2 Certificate :
    • These certificates will be issued for both business personnel and private individuals use. These certificates will confirm that the information in the application provided by the subscriber does not conflict with the information in well-recognized consumer databases.
  • Class 3 Certificate :
    • This certificate will be issued to individuals as well as organizations. As these are high assurance certificates, primarily intended for e-commerce applications, they shall be issued to individuals only on their personal (physical) appearance before the Certifying Authorities.

Digital Signature Certificate Users



Other Authorized Signatories

Company Secretary - Whether in practice or in job

Bank Officials - for Registration and Satisfaction of Charges

Documents required for Registration

Preparation of DSC

    Identity Proof

  • Passport
  • PAN Card of the Applicant
  • Driving Licence
  • Post Office ID Card
  • Bank Account Passbook containing the photograph & signed by an individual with attestation by the concerned Bank official
  • Photo ID card issued by the Ministry of Home Affairs of Centre/State Governments
  • Any Government issued photo ID card bearing the signatures of the individual
  • Address Proof

  • AADHAAR Card
  • Voter ID Card
  • Driving Licence (DL)/Registration Certificate (RC)
  • Water Bill (Not older than 3 Months).
  • Electricity Bill (Not older than 3 Months)
  • Latest Bank Statements signed by the bank (Not older than 3 Months)
  • Service Tax/VAT Tax/Sales Tax registration certificate
  • Property Tax/ Corporation/ Municipal Corporation Receipt

Foreign Nationals

In case the applicant is a Foreign National, please submit the following documents for identity and address proof

    Identity Proof

  • Attested copy of Applicant Passport
  • Attested copy of VISA (If applicant is out of native country).
  • Attested copy of Resident Permit certificate (If applicant is in India)
  • Address Proof

  • Attested copy of Applicant Passport
  • Attested copy of any other Government issued Address Proof
  • The identity and address proof of foreign nationals must be attested by the following authorities

  • Embassy of Native Country (If applicant is out of native country)
  • Apostilized by Native Country, after Public Notary (if country is in Hague Convention)
  • Consularized by Native Country, after Public Notary (if country is not in Hague Convention)



Starting at Rs. 699 /- Onwards
  • Individual Class 2 DSC 2 years Validity


Starting at Rs. 3,499 /- Onwards
  • Individual Class 3 DSC 2 years Validity


Starting at Rs. 3,499 /- Onwards
  • Organisation Class 3 DSC 2 years validity

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Frequently Asked Questions

What is DSC?

Digital Signature Certificate (DSC) is an electronic format of physical signature certificate required to sign e-forms like Income tax filings, Company Incorporation, Annual filings, e-tender filings, etc.

Why is DSC Required?

DSCs are required to sign e-forms like e-forms like Income tax filings, Company Incorporation, Annual filings, e-tender filings, etc.

What is the Legal Status of a DSC?

DSC is legally admissible in a court of Law, as provided under the provision of IT Act, 2000.

Is physical verification required before issuing Digital Signatures?

No, physical verification is not required for issuing a Digital Signature.

What is the validity period for DSC?

The DSCs issued by certifying authority with a validity of one year or two years.