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How to Renewal or Updation of Digital Signature Certificate (DSC) ?

When Digital Signature Certificate of organization expires or organization want to change the DSC, then organization is required to put up a request for renewal or updation of DSC with NSDL. The following documents are requisite for renewal / updation of Digital Signature Certificate (DSC):

1. Authority Letter
2. Cover Letter
3. Screen Shots of new DSC*

*Note - Go to Internet explorer - Tools - Internet Options - Contents - Certificates - Personal Tab (and view certificate) then take below screen shots.

1. General Tab
2. Details Tab - Serial Number
3. Details Tab - Authority Key Identifier

The documents should be forwarded to NSDL at the following address:
Online Upload Team
NSDL e-Governance Infrastructure Limited
1st floor, Times Tower,
Kamala Mills Compound,
Senapati Bapat Marg,
Lower Parel (W),
Mumbai - 400013.

Superscribe the envelope with 'Renewal / Updation of Digital Signature Certificate (DSC) for Online upload’.

Note:  As per the guidelines issued by the Office of CCA, it is required to comply to the use of SHA-2 Hash Algorithm and 2048 bit RSA keys for digital signing. In view of the same, the following pre-requisites need to be followed:
  • JRE version : SUN-java 1.6_update29 or higher version (32 bit)
  • Client Operating system : Windows XP SP3, Vista Windows 7, Windows 2003 with patch for SHA-2.
  • I.E browser version supported : 7,8 and 9.
  • Safenet or E-token drivers used should be the latest (if applicable)