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SIH Buddyby Ganeev Singh
Dev
All problem statements
SIH26036Worth consideringacceptance 3/5

Development of an Online Verification System for Weighing and Measuring Instruments

Ministry of Consumer Affairs, Food & Public Distribution · Transportation & Logistics · Software

Completely achievable with a rare tangible demo in the QR scan, but it is one of several workflow portals this cycle, so make the certificate cryptographically real rather than decorative — that is the one thing here a judge can distinguish you on.

Open dataset ↗

Data: Legal Metrology Act and Rules reference: https://consumeraffairs.gov.in/pages/legal-metrology-act — together with the Legal Metrology (General) Rules, 2011

What it actually is

Every weighing scale used in a shop or a weighbridge has to be checked and stamped by a government officer at regular intervals, and today that whole process runs on paper files kept locally. Nobody can see across districts which instruments are due or overdue. The ask is one online system for applying, scheduling, certifying and tracking those verifications, with certificates that can be checked by scanning a code.

What to build

A verification lifecycle platform covering the four stakeholder types the statement names — instrument users, Legal Metrology Officers, approved test centres and administrators — with online registration and profile management, application submission for verification and re-verification, scheduling and allocation of jobs to officers or test centres, a mobile field interface for recording inspection observations and results on site with photograph attachment, generation of QR-enabled digital verification certificates whose codes resolve to a public authenticity check, validity tracking with automated expiry reminders, and dashboards showing application status, pendency and enforcement activity by jurisdiction.

Smallest thing that wins the room

Complete a verification on the officer's mobile view, watch the digital certificate generate, then have a judge scan its QR with their own phone and land on a page confirming the instrument, the officer and the expiry date.

How crowded this one gets

A guess, projected from the 2025 statements — the last year where both the submission counts and the winners were published.

Busy250–500 teams expectedroughly 1 in 212–421 wins it

Quieter than 14% of the 226 · #195 of 226 by expected field · reaches the 500 cap

Busier than most. Expect several teams to arrive at the same obvious solution.

Why: central ministry statements sat below the average.

This is a guess, not a fact

Nobody has published 2026’s numbers yet. This is an analysed estimate from last year’s pattern, so please do not take it as the truth — check the live counter on the SIH portal before you decide anything. The range covers the middle half of likely outcomes, so one statement in two lands outside it. Entry closes at 500 ideas per statement, so no range goes past that — a statement that reaches the cap fills and shuts rather than drawing an unlimited crowd. The model reads only three things a team can see before choosing — software or hardware, the theme, and what kind of body posted it — and those explain about a quarter of the variation in last year’s field sizes (R² 0.25 on held-out statements). Trust the band more than the number, and the ordering more than either. It cannot see how good your idea is, which is the part that actually decides it.

The scores

The number is the shorthand. The line under it is the reason.

What you will be writing

  • Django or NestJS workflow backend
  • signed QR certificates with public verification endpoint
  • Flutter field officer app with offline capture
  • PostgreSQL instrument registry with validity tracking
  • Celery scheduled expiry reminders
  • role-scoped dashboards per stakeholder
  • Legal metrology
  • Government service delivery
  • Digital certification

Prior art to read before you start

online verification and certification workflow · QR-verifiable digital certificates · field officer inspection recording

Analysed by Claude Opus. Every score above is a judgment call with its reasoning attached — kindly cross-check this against the official statement on the SIH portal before your team commits to it.