01
Which business types can register?
Proprietorships, partnerships, LLPs, companies and other legally recognized entities may register where the portal and tender permit them. The tender’s bidder-definition clause decides which entity types may participate. Contractor enlistment, departmental registration or a particular class may additionally be mandatory for works contracts.
Practical checks
- Use the entity name consistently across PAN, GST, bank and portal records.
- Read bidder-definition and eligible-bidder clauses before registering.
- Do not infer JV eligibility from the company-type field.
Questions answered in this section
- Can a proprietorship participate?
- Can an LLP apply?
- Can a partnership firm bid?
- Can a private limited company apply?
- Can a public limited company apply?
- Can an individual contractor participate?
- Is contractor registration required?
- Which contractor class is required?
02
Portal enrolment and account management
CPPP, GeM and state systems maintain separate bidder enrolment processes. The bidder supplies organization, tax, contact and signatory details and then maps an authorized DSC. A company may authorize operational users where the portal allows it, but credentials and signing tokens should not be shared.
Practical checks
- Complete profile verification well before bidding.
- Use role-based secondary users where supported.
- Keep registered email and mobile access current.
Questions answered in this section
- How do I register on CPPP?
- How do I register on a state portal?
- Do I need separate registration on every portal?
- How do I update company details?
- Can multiple employees use one bidder account?
- Can one company have multiple accounts?
- How do I recover a blocked account?
- Is portal registration free?
03
Which DSC is required?
Indian e-procurement portals commonly require a valid Class 3 signing certificate, and some workflows also require encryption capability. The certificate must belong to the authorized signatory and remain valid through submission. Follow the named portal’s current DSC instructions because browser utilities and token support differ.
Practical checks
- Purchase from an authorized certifying authority.
- Match DSC identity with portal and authorization records.
- Test signing and encryption before preparing the final bid.
Questions answered in this section
- Which DSC class is required?
- Do I need signing and encryption certificates?
- How do I obtain a Class 3 DSC?
- How do I map DSC on the portal?
- Can one DSC work on multiple portals?
- Can one DSC be used for two companies?
- What if DSC expires before opening?
- Can an employee submit with their DSC?
04
Common DSC and portal errors
Token detection failures usually arise from unsupported drivers, expired certificates, missing portal utilities, blocked browser permissions or incorrect DSC mapping. CPPP states that a DSC mapped to an account cannot simply be remapped to another account; it must be handled through the portal’s prescribed process.
Practical checks
- Install only official token drivers and portal utilities.
- Capture the exact error and contact portal support early.
- Do not wait until the final submission hour.
Questions answered in this section
- Why is the portal not detecting my USB token?
- Why does DSC signing fail?
- Can a mapped DSC be transferred?
- What happens when the signatory changes?
- Why is the certificate shown as invalid?
- Which browser is required?
- Why is the encryption certificate missing?
- How do I deactivate an old DSC?
Official sources and further reading
Reviewed against the cited sources on 27 September 2026. Requirements can change and the specific tender document remains controlling.