Development of a Software Program/Application for Generation of Test Reports for Non-Automatic Weighing Instruments (NAWI) as per OIML Recommendation R- 76
“We are building a software platform to automate the testing and report generation of weighing scales used in trade and healthcare. Right now, testing labs write these reports manually using spreadsheets, which causes calculation errors and inconsistencies. Our app will take raw test data, automatically check it against international OIML R-76 standards, and generate official compliance reports instantly.”
Deconstructed Problem Blueprint
WHAT TO BUILD?
A web-based compliance management and automated test reporting software application tailored for Legal Metrology laboratories.
WHO IS IT FOR?
Primary beneficiaries are the Department of Consumer Affairs (DoCA), designated testing laboratories, state legal metrology officers, and manufacturers of Non-Automatic Weighing Instruments (NAWIs).
WHY DOES IT EXIST?
Manual report creation is time-consuming, prone to human mathematical errors, lacks uniformity across different test centers, and makes auditing or tracking model approvals extremely tedious.
INPUT → PROCESS → OUTPUT ARCHITECTURE PIPELINE
Manufacturer details, instrument technical specs (capacity, resolution, class), laboratory environmental conditions (temperature, humidity), and raw test observations (eccentricity, repeatability, weighing performance, discrimination tests).
Automated ingestion of test inputs, execution of mathematical validation logic, comparison against OIML R-76 maximum permissible errors (MPE), and automated pass/fail computation.
Standardized digital test reports (PDF and editable Word documents), dynamic test history dashboards, instrument repositories, and audit logs.
CONSTRAINTS
- Strict adherence to mathematical formulas defined in OIML R-76 specification
- Must support secure role-based access control (RBAC)
- Ensuring immutable audit trails for compliance validation
JURY METRICS
- Accuracy of automated mathematical calculations against manual baselines
- Time saved per test report generation
- UI/UX intuitiveness for lab technicians
- Completeness and export quality of PDF/Word reports
CORE BOTTLENECK
Translating the complex, multi-tiered mathematical formulas and edge-case testing conditions of OIML R-76 into a robust, bug-free computational rule engine.
Why You Should Choose This PS (Pros)
- High real-world governance impact with direct deployment potential by the Ministry
- Clear, well-defined functional scope without complex hardware dependencies
- Strong scope for impressive data visualization and dashboarding
Challenges & Risks to Watch (Cons)
- Requires deep domain understanding of legal metrology and OIML R-76 standards
- Text-heavy document formatting can become tedious during frontend development
Recommended Tech Stack & Grand Finale Features
Killer Features to Impress the SIH Jury
View Official SIH 2026 Portal Raw Text▼
Non-Automatic Weighing Instruments (NAWIs), such as electronic weighing scales, platform scales and weighbridges, are widely used in trade, commerce, healthcare, agriculture and industry where accurate measurement is essential for fair transactions and consumer protection.Under the Legal Metrology Act, 2009 and the Legal Metrology (General) Rules, 2011, such instruments used for transaction and protection are required to conform to prescribed standards,obtain model approval, and undergo verification and stamping before being put into use.
For granting model approval, NAWIs are evaluated by designated laboratories in accordance with OIML Recommendation R 76 – Non-Automatic Weighing Instruments, which specifies internationally accepted technical, metrological and performance requirements. The evaluation involves various metrological and functional tests, the results of which are compiled into detailed test reports.At present, these test reports are largely prepared manually using spreadsheets or document templates, making the process time-consuming, prone to calculation errors and lacking uniformity. Hence, there is a requirement to develop a software application that automates test data recording, compliance evaluation and generation of standardized test reports as per OIML R 76, thereby improving accuracy, consistency, and efficiency in the model approval process.
Develop a software application capable of generating complete test reports for Non-Automatic Weighing Instruments based on test observations recorded during type evaluation as per OIML R
76.
The system should be capable of:
The proposed solution should include:
Key Functional Requirements: