Digital Signature Certificate (DSC) – Procedure in India

What is a Digital Signature Certificate (DSC)?

A Digital Signature Certificate (DSC) is the electronic form of a physical signature. It is used to:

Sign documents digitally
Authenticate the identity of the signer
Access online services securely

Why is DSC required?

A DSC is required for filing documents electronically on government portals such as the Ministry of Corporate Affairs (MCA). It ensures:

Security of documents
Authenticity of the signer
Prevention of fraud

Who issues DSC?

DSCs are issued by licensed Certifying Authorities (CAs) under the Information Technology Act, 2000.

Some Certifying Authorities include:

TCS
Sify
MTNL
eMudhra
NSDL

Is DIN required to obtain DSC?

No, obtaining a Director Identification Number (DIN) is not required to apply for a DSC. However, for filing documents with MCA, both DIN and DSC are required.

Validity of DSC

A DSC is generally issued with a validity of:

1 year
2 years
3 years

Legal Status of Digital Signature

Digital Signatures are legally valid in India under the Information Technology Act, 2000.They are admissible in a court of law and are equivalent to handwritten signatures.

Current Updates (Important)

Only Class 3 DSC is now used (Class 2 discontinued)
DSC can be obtained through Aadhaar-based eKYC or video verification
Widely used for:
- MCA filings
- Income Tax returns
- GST filings
- Trademark registration