SIH26022HardwareAgriculture, FoodTech & Rural Development
₹1,50,000 Prize (₹75k Joint)
•
Deadline: 20 September 2026
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Submitted Ideas: 0/500

Design and develop a smart, solar-powered drying and compact packaging system to support home-based agarbatti manufacturing by rural women artisans.

Ministry / Organization: Ministry of MSME
Department: Coordination Section
Technical Complexity
8/10
Dataset Accessibility
7/10
36h Hackathon Viability
9/10
Step 0 • Zero-Jargon Layman Summary

“Rural women making agarbattis face issues with traditional drying methods, leading to poor quality and income. We need to build an affordable, solar-powered machine that dries agarbattis evenly and hygienically, and also helps package them to keep their fragrance and extend shelf life.”

The DecodeX PS Decoder™

Deconstructed Problem Blueprint

Step 1

WHAT TO BUILD?

A compact, low-cost, solar-powered smart drying chamber with temperature and humidity control, integrated with a simple, low-cost packaging/sealing device, specifically designed for home-based agarbatti manufacturing by rural women artisans.

Step 2

WHO IS IT FOR?

Primary beneficiaries are rural women artisans engaged in home-based agarbatti manufacturing. The Ministry of MSME is the sponsoring organization, aiming to improve livelihoods and product quality.

Step 3

WHY DOES IT EXIST?

Traditional agarbatti drying is weather-dependent, causing uneven drying, moisture issues, fungal growth, fragrance loss, and breakage. This reduces product quality, shelf life, and ultimately, the income of rural women. There's a lack of affordable, suitable technology for this specific need.

Step 4

INPUT → PROCESS → OUTPUT ARCHITECTURE PIPELINE

01 • Inputs & Telemetry

Temperature sensor data (e.g., DHT11/DHT22), Humidity sensor data (e.g., DHT11/DHT22), Solar panel voltage/current data, User inputs (e.g., desired drying time/mode via buttons or simple display), Battery charge level.

02 • Processing & AI Core

Microcontroller-based control logic (e.g., PID for temperature/humidity), Data logging for environmental conditions, Solar charge controller management, Fan speed control for uniform airflow, Heater activation (if passive solar isn't enough), Battery management, Optional IoT data transmission to cloud for monitoring/alerts.

03 • Actionable Deliverables

Actuation of fans (ON/OFF, speed control), Actuation of heating elements (if any), Status display on LCD/LED (temperature, humidity, battery level, drying progress), Low battery alerts (visual/audio/optional SMS/app notification), Drying cycle completion alerts, Sealed agarbatti packages.

Step 5

CONSTRAINTS

  • Low-cost (affordable for rural households/SHGs)
  • Solar-powered with battery backup (reliable in off-grid/unstable power areas)
  • Compact and portable design (suitable for home use, easy to move)
  • Easy to operate and maintain (user-friendly for rural women artisans)
  • Hygienic and enclosed drying chamber (prevents contamination)
  • Ensures uniform drying and fragrance preservation
  • Moisture-resistant and aroma-preserving packaging
  • Eco-friendly packaging options
  • Robustness against varying weather conditions.
Step 6

JURY METRICS

  • Cost-per-unit of the system (target < ₹10,000-15,000)
  • Drying uniformity index (e.g., % moisture variation across batch)
  • Fragrance retention rate (compared to traditional methods)
  • Energy efficiency (agarbatti dried per Watt-hour)
  • Shelf life improvement (days/weeks)
  • Ease of use (e.g., number of steps, training time)
  • Portability (weight, dimensions)
  • Battery backup duration (hours of operation without sun)
  • Packaging seal integrity and aroma preservation effectiveness.
Step 7

CORE BOTTLENECK

The single hardest challenge is achieving precise, uniform temperature and humidity control within a low-cost, solar-powered, compact system, especially ensuring consistent airflow and fragrance preservation, while also integrating a practical, affordable packaging solution suitable for rural home-based operations.

Why You Should Choose This PS (Pros)

  • High social impact and direct benefit to rural women's livelihoods.
  • Clear problem statement with tangible hardware deliverables.
  • Aligns with national initiatives (Make in India, rural empowerment, renewable energy).
  • Opportunity for innovation in sustainable technology and packaging.
  • Strong 'wow factor' for a functional, low-cost hardware solution.

Challenges & Risks to Watch (Cons)

  • Hardware-heavy problem, requiring significant prototyping and testing.
  • Balancing low cost with robust performance and smart features is challenging.
  • Solar power variability and battery management add complexity.
  • Integration of drying and packaging into a cohesive, user-friendly system.
  • Potential for material sourcing and manufacturing challenges for a physical product.
Hackathon Blueprint

Recommended Tech Stack & Grand Finale Features

Frontend & Mobile
Simple LCD/OLED display with push buttons for on-device controlOptional: Flutter/React Native for a basic mobile app (if IoT monitoring is implemented)
Backend & APIs
Microcontroller firmware (C++/Arduino for ESP32/Raspberry Pi)Optional: Node.js/Python (Flask/FastAPI) for cloud backend if IoT is used (MQTT for device communication)
AI / ML & Models
Rule-based control systems for temperature/humidity regulationOptional: Simple regression models for predictive drying time based on ambient conditions (if data is collected)
Database & Cloud
On-device EEPROM/SD card for logging sensor data and settingsOptional: Firebase Realtime Database/MongoDB Atlas for cloud data storage (if IoT)

Killer Features to Impress the SIH Jury

Adaptive Drying Profiles: AI/ML-driven optimization that learns and adjusts drying parameters based on agarbatti type, ambient conditions, and desired fragrance retention, ensuring optimal results every time.
Modular & Expandable Design: A base unit that can be easily scaled up by adding more drying trays or connecting multiple units, allowing artisans to grow their production capacity without replacing the entire system.
Integrated Quality Assurance: A simple, non-destructive sensor (e.g., moisture sensor or weight-based) that provides real-time feedback on agarbatti dryness, indicating when they are perfectly ready for packaging.
Gamified Usage & Maintenance App: A user-friendly mobile app (optional) with local language support that guides artisans through operation, tracks production batches, provides maintenance reminders, and offers tips for improving agarbatti quality.
View Official SIH 2026 Portal Raw Text
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BACKGROUND

Agarbatti making is a key home-based livelihood for rural women, but traditional drying methods depend on weather and often cause uneven drying, moisture issues, and loss of fragrance, reducing product quality and income. Hence, there is a need for an affordable smart drying and packaging system suitable for rural household-based production.

DESCRIPTION

Traditional agarbatti drying is slow, weather-dependent, and leads to uneven drying, fragrance loss, fungal growth, and breakage, reducing product quality and income for rural women artisans.

Therefore, there is a need for a smart solar-powered drying chamber with temperature and humidity control for uniform, hygienic, all-weather drying, along with a low-cost packaging system to preserve fragrance, improve shelf life, and enhance marketability.

EXPECTED SOLUTION

The proposed solution is a compact, low-cost, solar-powered smart drying chamber for rural home-based agarbatti production, along with a simple packaging/sealing device to ensure moisture resistance, fragrance preservation, and improved product quality and shelf life.

The system should include:

•Solar-powered controlled drying mechanism
•Temperature and humidity sensors
•Uniform airflow and hygienic enclosed chamber
•Portable and easy-to-operate design
•Fragrance-preserving drying conditions
•Battery backup support
•Optional AI/IoT-based monitoring and alerts Packaging Support
•Low-cost moisture-resistant and aroma-preserving packaging
•Compact sealing/packaging mechanism suitable for SHGs/women artisans
•Eco-friendly packaging options