INSPIRE‑MANAK Projects | Holy Mary High School

🌍 JALA RAKSHA

A Low‑Cost Groundwater Contamination Early‑Warning & Protection System

An INSPIRE‑MANAK science project – turning a real environmental challenge in Jawaharnagar, Hyderabad, into a scientific investigation and a community solution.

💧 Groundwater 🧪 Real problem 📡 Low‑cost sensors ⚠️ Leachate risk ✅ Community early warning

📍 The problem: Jawaharnagar landfill & groundwater

The legacy waste dump at Jawaharnagar, Hyderabad has a documented history of leachate seepage, especially during the monsoon. Leachate is a contaminated liquid formed when rainwater percolates through waste. If it moves downward, it can affect groundwater — the water that many communities rely on.

Central Pollution Control Board (CPCB) documentation specifically notes that the legacy waste dump at Jawaharnagar has had leachate seepage during monsoon that can pollute surrounding lakes. CPCB also identifies leachate collection and treatment, impermeable barriers, storm‑water diversion, and groundwater monitoring as important controls for landfill pollution.

But there is an important distinction: students should not assume that every contaminated bore well in Jawaharnagar is contaminated because of the landfill. They should first collect water samples and have them professionally tested.

⚠️ The risk

Without proper monitoring, contaminated groundwater might be used unknowingly. Simple pH/TDS sensors cannot guarantee safety, but they can act as sentinels — detecting changes that call for laboratory testing.

🎯 Our focus

Not to replace professional testing, but to create a cheap, community‑based early‑warning system that alerts when groundwater indicators change. This is the innovation gap — a realistic and scientifically responsible project.

Landfill leachate to groundwater illustration
Illustration: rain → waste → leachate → soil → groundwater (schematic)

🧪 Important: Every contaminated bore well in Jawaharnagar is not necessarily contaminated because of the landfill. Water samples must be professionally tested before drawing conclusions.

🔧 Working model: “Smart Groundwater Sentinel”

Instead of trying to build a machine that magically purifies contaminated groundwater, students solve the more realistic problem: How can a community detect possible groundwater contamination early and prevent contaminated water from being used?

How the working model can operate

Groundwater / borewell → sampling point → low‑cost sensor screening → warning → safe/unsafe indication → alternate water source

Prototype components

🧰 Hardware

  • pH sensor
  • TDS / conductivity sensor
  • Turbidity sensor
  • Temperature sensor (optional)
  • Arduino / ESP32 microcontroller
  • Red / yellow / green LEDs
  • Small OLED or LCD display
  • Buzzer for alert
  • Wires, connectors, power supply

🚦 Warning levels

  • 🟢 GREEN — Within selected baseline range
  • 🟡 YELLOW — Change detected – test required
  • 🔴 RED — Abnormal reading – do not assume safe; laboratory confirmation required
⚠️ Important note: pH / TDS / turbidity sensors cannot establish that water is safe to drink or identify specific toxic chemicals. They are useful for screening and detecting changes, not replacing laboratory analysis.

🌧️ Miniature landfill model — comparing two versions

The really interesting problem at Jawaharnagar is leachate + rainwater + groundwater. Students can build a transparent miniature landfill to demonstrate the difference between poor and improved protection.

Waste layer ↓ Rainfall ↓ Leachate formation ↓ Soil layers ↓ Groundwater

❌ Version A – Poorly protected landfill

Rainwater enters waste → contaminated liquid moves downward. This demonstrates the risk of leachate reaching groundwater.

✅ Version B – Student's improved design

Rainwater is diverted away from waste. Leachate is collected separately. The base has an impermeable liner. A drainage layer collects leachate. A monitoring well checks groundwater.

This reflects the principles recommended in CPCB landfill guidance: storm‑water diversion, impermeable lining, leachate collection/treatment and groundwater monitoring.

Miniature transparent landfill model with leachate collection
Miniature landfill model (Version A & B)
Arduino based sensor setup
Low‑cost sensor screening unit

⭐ The student's NEW invention – Vertical monitoring cartridge

Instead of simply copying a landfill design, the students ask: “Can we create a very cheap early‑warning system before contaminated groundwater spreads?” The answer is a vertical monitoring cartridge that can be inserted near vulnerable waste sites.

WASTE
───────────────
↓
LEACHATE
↓
┌─────────────┐
│ FILTER / │
│ INDICATOR │ ← sensor
├─────────────┤
│ SOIL LAYER │
├─────────────┤
│ WATER │ ← monitoring point
└─────────────┘
↓
ALERT SYSTEM

If conductivity/TDS/turbidity changes significantly from the established local baseline:

Sensor → Arduino → RED LED → buzzer → “WATER SAMPLE FOR LAB TEST”

The key invention is therefore: A low‑cost community groundwater early‑warning system around vulnerable waste sites. This is a scientifically responsible and original project direction for INSPIRE.

🔬 Make it a REAL scientific investigation

This is where students can become much stronger than ordinary exhibition projects. Take properly labelled samples from different locations, with permission and safe sampling practices:

  • A — nearer the waste‑site direction
  • B — intermediate location
  • C — farther / control location

If possible, sample at different times: before / after rainfall or dry vs wet period.

Record the following

📊 Data sheet

  • Sample ID (A / B / C)
  • pH
  • TDS
  • Conductivity
  • Turbidity
  • Lab result (A, B, C)

❓ Scientific question

“Does rainfall correspond with changes in our screening measurements?”

That is a genuine scientific investigation. Students can analyse trends and compare screening values with laboratory results.

Water sampling from borewell
Field sampling (illustrative)
Laboratory water testing
Professional lab testing
🧪 Please do this one thing before designing the final project: Have one or more actual Jawaharnagar water samples tested by an accredited/competent laboratory. A Hyderabad water‑testing service such as Hyderabad Water and Food Testing Lab or AR Clean Enviro Labs – Water, Food and Environmental Testing Lab can be used as examples of local testing services. Ask specifically what drinking‑water parameters they can test and whether their laboratory is appropriately accredited for the tests you need.

The Telangana groundwater system itself uses groundwater‑quality mapping and monitoring to assess suitability and identify locations where alternate water sources or remedial measures may be needed.

🌟 The strongest INSPIRE question for the student

“If Jawaharnagar already has a landfill and leachate‑management systems, what gap are you trying to solve?”

Student's answer: “My project does not replace professional groundwater testing or landfill treatment. My innovation is an inexpensive early‑warning system that can identify unusual changes in groundwater indicators and tell the community when laboratory testing and further action are needed.”

That is a much more scientifically responsible and original project direction. It is far more defensible for INSPIRE than claiming: “Our machine purifies Jawaharnagar groundwater.” Actual groundwater contamination may involve substances that a simple school filter cannot safely remove.

Social benefit: Protects children, elderly people, families and nearby communities from unknowingly using potentially affected groundwater.
Environmental benefit: Encourages early detection rather than waiting until contamination becomes severe.

👤 Project by

Name: Sidramirza

Father's name: Shereyar Mirza

Email: mirzashereyar@gmail.com

Phone: 890534280

Aadhaar: 734172690924

Bank: Canada Bank – DPDO, Account: 110036111083, Branch: Masab Tank Road No.1, Banjara Hills

📌 Related water testing services in Hyderabad

  • Hyderabad Water and Food Testing Lab
  • AR Clean Enviro Labs – Water, Food and Environmental Testing Lab
  • Water testing service (local)

These are examples of local testing services; students should confirm accreditation and specific test capabilities.

👁️ Vision Nexus A.I

A smart AI‑powered cane for visually impaired people

🎯 Aim

To create a smart cane for AI‑powered people who are visually impaired and understand their surroundings.

🧩 Problem

Visually impaired people may face difficulties while walking because they can't easily see objects, obstacles, steps, colours and other things around them. They also face problems while travelling.

💡 My Invention

Vision Nexus A.I. is an intelligent cane connected to an A.I device. It uses sensors and a camera to understand the surroundings. The AI can identify obstacles and objects, describe their colour and size, and also indicate that there is an obstacle in your way. It can also help the user understand which direction an object is located and also the route they should follow to reach their destination. It also listens to them and their problems.

⭐ Special Features

🧰 Materials Required

Hardware

  • Cane
  • Camera module
  • ToF sensor
  • AI capable processor
  • Small speaker
  • Microphone
  • Rechargeable battery
  • Storage module
  • GPS module
  • Compass sensor
  • Wires & connectors
  • SOS button

How to use

Switch on the AI cane and walk normally. The A.I senses nearby obstacles and informs you. You can ask questions and it will answer.

AI smart cane concept
Smart cane concept

👩‍🎓 Student Details

Name: Ayesha Abdul Bari

Class: 8th‑D

Father's name: Mohammed Abdul Bari

Contact: 6309543802, 7075641004

School: Holy Mary High School

Gmail: ayeshaabdulbari13@gmail.com

Bank: State Bank of India, Account: 40580556228, Branch: Khairatabad, Pin: 500004

⚡ Roads that generate energy from vehicle vibration

Can wasted vibration from vehicles be converted into useful electrical energy?

Every day, thousands of vehicles travel on roads, producing pressure and vibrations. Most of this mechanical energy is simply lost. My project explores whether this wasted energy can be converted into useful electrical energy using piezoelectric technology.

Piezoelectric materials have a special property: when pressure or mechanical stress is applied to them, they produce a small electrical charge. In my proposed system, piezoelectric plates would be placed beneath a section of road. When vehicles pass over this section, their weight creates pressure on the plates. The resulting electrical energy can then pass through an electronic circuit and be stored or used for low‑power applications.

Vehicle pressure → piezo plates → electrical energy → circuit → storage → LED

This technology could potentially be useful in places with frequent vehicle movement, such as roads, parking areas, toll plazas, bridges, and entry gates. The generated electricity could support small devices such as road sensors, monitoring systems, warning lights, or other low power electronics.

The main advantage of this idea is that it attempts to recover energy that would otherwise be wasted. It also combines physics with renewable energy concepts and smart infrastructure.

⚠️ Limitations: Piezoelectric systems generally produce relatively small amounts of electricity. The output depends on traffic volume, pressure, the number and type of piezoelectric elements, and the efficiency of the electrical circuit. Therefore, this system should not be considered a replacement for large power stations.

My project aims to demonstrate a practical application of the piezoelectric effect and encourage further research into energy recovery.

📌 Conclusion

Vehicle movement contains mechanical energy that can potentially be harnessed. By using piezoelectric materials and electronic circuits, some of this otherwise wasted energy can be converted into useful electrical energy for small‑scale applications. This concept could contribute to future smart and energy‑efficient infrastructure.

👩‍🎓 Student Details

Name: Nabıya Binte Osman

Class: IX ‑ C

Phone: 7995988988

Email: amtularshiya74@gmail.com

Mother's name: Amtul Arshiya

Father's name: Osman bin Hadi

Aadhaar: 548887066561

Bank: Canada Bank, Masab Tank, Account: 0798101065163

🌿 Pollution‑Eating Road

A science model showing how special road surfaces can help reduce certain air pollutants using sunlight

📖 Introduction

Air pollution from vehicles is a major environmental problem worldwide, especially in cities. Our Pollution‑Eating Road is a science model that demonstrates how special road surfaces can help reduce certain air pollutants using sunlight.

🔬 Scientific Principle

The project is based on photocatalysis. Materials such as titanium dioxide can react with sunlight and help break down certain pollutants in vehicle exhaust. The pollutants are converted into less harmful substances chemically. This technology is being studied on roads and buildings.

🧰 Materials Required

For the hand supplies, use a labelled demonstration tray rather than handling chemicals.

🛠️ Making the Working Model

  1. Create a miniature road with cardboard.
  2. Divide it into two sections: a normal road and a pollution‑reducing road.
  3. Place toy cars on both sides.
  4. Add an LED or lamp above the model to represent sunlight.
  5. Connect the air‑quality sensor to an Arduino and display the readings.
  6. The exhaust represents pollution entering the road area.
  7. The special surface represents a photocatalytic coating that uses sunlight to help break down certain pollutants.

✅ Advantages

👩‍🎓 Student Details

Name: Asma Abdul Rub

Class: IX ‑ D

Father's name: Mohd Abdul Rub

Contact: 8790831881

Bank: State Bank of India, Branch Lakdikapool, Account: 44231778219

Aadhaar: 381023748585

🚰 Smart Drain Guard System

Catching solid waste and monitoring drainage conditions for early warning

❗ Problem Statement

Drainage systems often receive solid waste, leaves, wrappers and other solid waste. This waste can accumulate and clog the drainage system. During heavy rain, a blocked or restricted drain may cause water to sit and eventually overflow, resulting in unhealthy surroundings and conditions.

If left untreated, the problem may only become noticeable after a significant water accumulation or when it has already occurred. The major causes include:

💡 The System

The system will catch solid waste using a removable mesh basket, monitor water level, detect unusually dirty/turbid water, give warnings when abnormal conditions are detected, and give critical warning when waste accumulation and abnormal water‑level rise occur together.

🔬 Technologies Used

🧱 Working Model Components

⚙️ How It Works (Stages)

  1. Stage 1: Water and waste enter the drainage system.
  2. Stage 2: The removable mesh basket catches larger solid waste such as leaves and plastic.
  3. Stage 3: The water‑level detector continuously monitors the water level.
  4. Stage 5: The system interprets the conditions.
  5. Stage 6: The warning system indicates the condition:
    • NORMAL: normal water level
    • ATTENTION: waste accumulation / unusually dirty water
    • WARNING: abnormal rise in water level
    • CRITICAL: waste accumulation + abnormal water‑level rise, indicating possible blockage/overflow.
  6. Stage 7: The removable basket can be taken out and cleaned when necessary.

✅ Advantages

Smart Drain Guard combines waste collection and drainage monitoring into one system: by catching solid waste and monitoring water level and water clarity, it can provide an early warning when drainage conditions become abnormal. This project can potentially help communities manage drainage systems more effectively.

👩‍🎓 Student Details

Name: Syeda Sadaf Fatima

Father's name: Late Syed Ahmed

Mobile: 6304485069

Bank: Central Bank of India, Branch Nampally, Account: 5163315770