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Loading…TIN Facilitation Centre (TIN-FC) · Statutory Filing
Protean · NSDL · UTIITSL Authorized DeskKolkata, West BengalDigital Signature Certificate (DSC) in Kolkata, West Bengal. Filed with ROC Kolkata. 100% SLA-backed legal execution by SRI Filing (S V R & CO).
Regulatory framework, applicability & compliance boundaries
A Class 3 Digital Signature Certificate (DSC) is a cryptographically secure digital key issued by Controller of Certifying Authorities (CCA) approved agencies. It is legally mandatory for company directors, practicing CAs/CSs, and tender bidders to sign MCA e-forms (SPICe+, AOC-4, MGT-7), GST returns, Income Tax returns, and GeM / e-Procurement portal tenders under the Information Technology Act 2000.
Mandatory criteria to satisfy before engagement
Transparent stages from document intake to final delivery
Submit PAN and Aadhaar for instant e-KYC verification on CCA portal.
Complete 20-second video recording and mobile OTP authentication on your smartphone.
Download Class 3 Signing & Encryption certificate into FIPS USB token and dispatch via courier.
Digital scans in PDF / JPG (under 5MB)
Ongoing filings to maintain active legal status
Common queries answered by our advisory desk
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