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Legal Metrology Act, 2009 Digital Platform

Digital Verification for Weights & Measures

End-to-end certification, inspection and verification for commercial weighing and measuring instruments — faster, transparent and tamper-resistant.

National Online Verification & Tamper-Evident Digital Certification System for Commercial Weighing & Measuring Instruments.

Get StartedVerify Sample CertificateSign In to Portal
Ed25519 Tamper-Evident
Cryptographically signed certificates
Legal Metrology Act 2009
Statutory verification workflow
Offline Verification
Field verification without internet
Full Audit Trail
Every action recorded and traceable

How It Works — Instrument to Verifiable Certificate

  1. Register Instrument

    Trader records the instrument with photo proof and serial number.

  2. Submit Application

    Verification application filed with declaration and fee.

  3. Officer Inspection

    Authorized LMO/GATC officer inspects on site with GPS + photo evidence.

  4. Digital Verification

    Result recorded; Ed25519-signed certificate is generated.

  5. Certificate Issued

    Anyone can verify the certificate online — no login required.

Core System Portals

No Login Required

Public Certificate Verification

Verify Ed25519 digital signatures, validity status, and seal authenticity of any legal metrology certificate.

Verify Certificate →
Commercial / Trader

Trader Portal

Register weighing & measuring instruments, track validity countdowns, and apply for annual/biennial verification.

Open Trader Portal →
LMO / GATC

Officer Inspection Queue

Field officer workload queue, GPS tagging, photo evidence capture, and statutory verification approvals.

Access Inspection Queue →
State Admin

State / District Administration

Oversight dashboard, SLA monitoring, compliance exports, and jurisdictional officer allocation control.

View Admin Dashboard →