Sai Digital Signature offers Class 3 Digital Signature that is the most protected DSC for online operations and documentation. Since Class 3 Digital Signature is the most secured, it is applied to trademark, e-Tendering, e-provident Fund Claim application, e-ticketing and much more. There are two types of Class 3 Digital Signature Certification; Class 3 A and Class 3 B.

For a solo user, e-filing of the tender will be a Class 3 A Digital Signature while, Class 3 B Digital Signature is assigned to companies, firms or other organizations.

Note: The Ministry of Corporate events and the government of India has announced the use of DSC compulsory while filing tenders online to give this process an authentication of user- participation in this. Any Organisation or individual wanting to file tenders for any public or government sector projects, must authenticate their identity by procuring class 3 digital signature certificate.

Class 3 Digital signature:

Class 3B Digital signatures are of 2 types: Class 3A for Individuals and Class 3B with Organization name.

Download Class 3B Application here.

Documents needed for Different type of Organization is given below:

For Proprietorship:

• Copy of Applicant’s Organizational ID Card / Letter from Organization / Pay Slip
• Copy of Organization Bank Statement (First 2 Pages)
• Copy of Last Income Tax Return / Audit Report & Annual Return / Self Affidavit with reason,
  if not available (First 2 Pages)
• Copy of Business Registration Certificate (S&E / ST / VAT)
• Authorized Signatory Organizational ID Card / Self-Attested Letter of Organizational Identity

For Partnership:

• Copy of Applicant’s Organizational ID Card / Letter from Organization / Pay Slip
• Copy of Organizational PAN Card
• Copy of Organization Bank Statement (First 2 Pages)
• Copy of Last Income Tax Return / Audit Report & Annual Return / Self Affidavit with reason,
  if not available (First 2 Pages)
• Copy of Partnership Deed / Trust Deed / LLP Agreement containing the List of
  Partners / Signatories (2 Pages)
• Authorized Signatory Organizational ID Card / Self-Attested Letter of Organizational Identity.

For Private or limited companies or LLP:

• Copy of Applicant’s Organizational ID Card / Letter from Organization / Pay Slip
• Copy of Organizational PAN Card
• Copy of Organization Bank Statement (First 2 Pages)
• Copy of Incorporation/Registration Certificate
• Copy of AOA & MOA / Rules / Bye laws (First 2 Pages)
• Copy of Partnership Deed / Trust Deed / LLP Agreement containing the List of
  Partners / Signatories (2 Pages)
• Copy of Last Income Tax Return / Audit Report & Annual Return / Self Affidavit with reason,
  if not available (First 2 Pages)
• Proof of Authorized Signatory (Board Resolution)
• Authorized Signatory Organizational ID Card / Self-Attested Letter of Organizational Identity
• List of Directors / Partners  with address on letter head of the company

For NGO/Trust:

• Copy of Applicant’s Organizational ID Card / Letter from Organization / Pay Slip
• Copy of Organizational PAN Card
• Copy of Organization Bank Statement (First 2 Pages)
• Copy of Incorporation/Registration Certificate
• Copy of AOA & MOA / Rules / Bye laws (First 2 Pages)
• Copy of Partnership Deed / Trust Deed / LLP Agreement containing the List of
  Partners / Signatories (2 Pages)
• Copy of Last Income Tax Return / Audit Report & Annual Return / Self Affidavit with reason,
  if not available (First 2 Pages)
• Copy of Partnership Deed / Trust Deed / LLP Agreement containing the List of
  Partners / Signatories (2 Pages)
• Copy of Business Registration Certificate (S&E / ST / VAT)
• Proof of Authorized Signatory (Board Resolution)
• Authorized Signatory Organizational ID Card / Self-Attested Letter of Organizational Identity.

Note: All Documents can be self-attested by authorizing person with seal of the company or firm. No need for Gazetted officer attestation or Bank manager attestation but in case of class 3A still ID and address proof has to be attested by Gazetted officer attestation or Bank manager with complete address and contact no.