Tax · Free tool
DSC Cost & Validity
Digital Signature Certificate (DSC) is mandatory for filing GST, IT returns, ROC filings, and tender bids. Class 3 is the standard since 2020 (Class 1 / 2 retired). Validity 1-2 years.
Class 3 (Individual, 1-yr)
₹1,200- eMudhra signing
- GST filing
- IT filing
Class 3 (Individual, 2-yr)
₹1,800- Recommended for most users
Class 3 (Organisation, 2-yr)
₹3,000- Pvt Ltd / LLP filings
- ROC, IBBI
Class 3 (Encryption + Sign, 2-yr)
₹4,000- MCA, Income Tax department use
Issuers (Certifying Authorities): eMudhra, NSDL, SafeScrypt, Capricorn. Buy via authorised partner — do KYC online (Aadhaar OTP) — get USB token + cert installed.
FAQ
DSC for personal use only — needed?
Mandatory for: filing IT returns above turnover threshold, GST, MCA, large court filings. Optional for individuals filing simple ITRs (Aadhaar OTP works).
Can DSC be transferred?
No — tied to your PAN + identity. New job / company = new DSC required.
PFX file vs USB token?
PFX (software) is portable, easier; USB token (hardware) is more secure (key never leaves token). Most professionals prefer USB token; small businesses use PFX for affordability.