B.Tech project ideas with problem and output

Pick an idea, copy its two lines into your synopsis draft, and change them until they describe your version. The longer lists by branch are linked at the end of the cards.

Which B.Tech project ideas come with a problem and an output?

All 20 below do. Each is sized for a final year team: one clear problem, one working output and a demo that fits in ten minutes. Open a card for the tools and the demo.

AI and machine learning projects

Each of these eight has a full guide with the dataset, the build steps, the metrics and the viva questions.

• Topic idea · CSE · AI & DSCredit card fraud detectionProblem: Fraud is a tiny share of card payments, so a model can look accurate and still miss almost all of it.Output: A fraud score for every transaction, an alert threshold set from costs, and a page that scores a new transaction.
  Build with, and what to demo

  Build with: Python, scikit-learn, XGBoost, SHAP and Streamlit, on the public ULB card dataset
  Show in the demo: one genuine and one fraudulent transaction, with the reason for each score. Read the credit card fraud detection guide.

• Topic idea · CSE · AI & DSCustomer churn predictionProblem: A telecom company loses customers every month and cannot afford to call all of them with an offer.Output: A churn score for each customer, the reasons behind it and a ranked list of who to contact first.
  Build with, and what to demo

  Build with: Python, pandas, scikit-learn, SHAP and Streamlit, on IBM’s Telco sample
  Show in the demo: the call list, and why the first customer is at the top. Read the customer churn prediction guide.

• Topic idea · CSE · AI & DSLoan default risk predictionProblem: A lender has to judge who will repay, and a wrong call either loses money or turns away a good borrower.Output: A default probability for each applicant, the main reasons, and a check that groups are treated fairly.
  Build with, and what to demo

  Build with: Python, scikit-learn, a boosted-tree model, SHAP and Fairlearn, on the UCI default dataset
  Show in the demo: one low-risk and one high-risk applicant, then the fairness table. Read the loan default prediction guide.

• Topic idea · CSE · AI & DSFuture demand predictionProblem: A shop that orders too much wastes stock, and one that orders too little loses sales.Output: A forecast of next month’s demand for each product, checked against a simple baseline, with a reorder list.
  Build with, and what to demo

  Build with: Python, pandas, LightGBM or Prophet and Streamlit, on the M5 retail data
  Show in the demo: forecast against actual sales for one item, and the reorder suggestion. Read the demand forecasting guide.

• Topic idea · CSE · AI & DSToxic comment classificationProblem: A platform receives more comments than moderators can read, and abusive ones drive users away.Output: Six scores for any comment (toxic, severe toxic, obscene, threat, insult, identity hate) and a page that scores typed text.
  Build with, and what to demo

  Build with: Python, scikit-learn and Hugging Face Transformers, on the Jigsaw comments
  Show in the demo: a polite comment, a rude one and a borderline one. Read the toxic comment classification guide.

• Topic idea · CSE · AI & DSWaste identification and classificationProblem: Mixed waste cannot be recycled, and sorting it by hand is slow and often skipped.Output: A model that names the material in a photo (glass, paper, cardboard, plastic, metal or trash), running on a phone or a small board.
  Build with, and what to demo

  Build with: TensorFlow or PyTorch with a pre-trained MobileNetV2, on TrashNet
  Show in the demo: five real items in front of a webcam, including one the model gets wrong. Read the waste classification guide.

• Topic idea · CSE · AI & DSAI-generated image detectionProblem: Image generators now make pictures that pass for photographs, and people need a way to check one.Output: A classifier that marks an image as real or AI-generated, with a confidence score and a heatmap.
  Build with, and what to demo

  Build with: PyTorch, a CNN and a pre-trained network, and Grad-CAM, on CIFAKE
  Show in the demo: one real and one generated image, then the same pair after compression. Read the AI-generated image detection guide.

• Topic idea · CSE · AI & DSProduct defect detection on a production lineProblem: Checking every product by eye is slow and tiring, and photos of each kind of defect are rare.Output: A model trained on good parts that marks a product as good or defective and draws a heatmap over the fault.
  Build with, and what to demo

  Build with: Python, Anomalib with PatchCore, and Streamlit, on MVTec AD
  Show in the demo: a good part and a defective one, with the heatmap on screen. Read the defect detection guide.

Web and app projects

• Topic idea · CSE · ITPlacement preparation portalProblem: Final year students prepare for placements from scattered PDFs and cannot see where they are weak.Output: A portal with company-wise mock tests, a score history by topic, and a resume checker that flags missing sections.
  Build with, and what to demo

  Build with: React, Node.js or Django, and PostgreSQL
  Show in the demo: a timed test, the topic-wise report and one resume check.

• Topic idea · CSE · ITCampus lost and found with photo matchingProblem: Lost items are reported on notice boards and chat groups, and are rarely matched with what was found.Output: Students post a lost or found item with a photo, and the app suggests likely matches by image and text similarity.
  Build with, and what to demo

  Build with: FastAPI or Django, image and sentence embeddings from a pre-trained model, PostgreSQL
  Show in the demo: post a found item and watch it match an earlier lost report.

• Topic idea · CSE · ITBlood donor finder with live availabilityProblem: When a patient needs blood urgently, the family searches through phone calls and social media posts.Output: An app that lists nearby donors by blood group and last donation date, sends a request and tracks who accepted.
  Build with, and what to demo

  Build with: Flutter, Firebase and a maps API
  Show in the demo: raise a request on one phone and accept it on another.

• Topic idea · CSE · ITMaintenance and visitor manager for a housing societyProblem: Housing societies track dues, complaints and visitors in notebooks and chat groups.Output: A web app with flat-wise dues and receipts, a notice board, a visitor log and a monthly report for the committee.
  Build with, and what to demo

  Build with: MongoDB, Express, React and Node.js, or Django with PostgreSQL
  Show in the demo: record a payment, log a visitor and open the monthly report.

Security and cloud projects

• Topic idea · CSE · ITPhishing link detector as a browser extensionProblem: People click links that imitate banks and courier companies because the address looks right at a glance.Output: A browser extension that scores each link from its address and page features and warns before the page opens.
  Build with, and what to demo

  Build with: Python and scikit-learn for the model, a Chrome extension, and a public list of phishing URLs
  Show in the demo: open a safe link and a test phishing link side by side.

• Topic idea · CSE · ITSecure file sharing with expiring linksProblem: Sensitive documents are sent over chat apps and email, where copies stay forever.Output: A web app that encrypts a file in the browser, shares it by a link that expires, and shows when it was opened.
  Build with, and what to demo

  Build with: The Web Crypto API, Node.js and any S3-compatible storage
  Show in the demo: upload a file, open it once, then show that the link has expired.

• Topic idea · CSE · ITAutomatic backup with a tested restoreProblem: Small teams take backups of their app and never test whether they can be restored.Output: Scheduled encrypted backups, an automatic restore into a clean environment, and a report with the recovery time.
  Build with, and what to demo

  Build with: Docker, PostgreSQL, GitHub Actions and an S3-compatible bucket
  Show in the demo: delete the database, run the restore and compare the row counts.

IoT, electronics and electrical projects

• Topic idea · ECE · EEE · IoTEV battery pack monitor with state of chargeProblem: Small electric vehicle packs fail early when cells drift apart and nobody notices.Output: Cell voltages, pack current and temperature on a dashboard, with the estimated state of charge and a warning on imbalance.
  Build with, and what to demo

  Build with: ESP32, an INA219 current sensor, voltage dividers, a temperature sensor and coulomb counting
  Show in the demo: discharge a small pack through a load and watch the estimate follow.

• Topic idea · ECE · EEE · IoTSolar tracker with the gain measuredProblem: A fixed solar panel loses output as the sun moves across the sky.Output: A two-axis tracker, and a logged comparison of the energy from the tracking panel against a fixed one over the same days.
  Build with, and what to demo

  Build with: Arduino, four light sensors, two servo motors and INA219 sensors for both panels
  Show in the demo: move a lamp and watch the panel follow, then show the energy chart.

• Topic idea · ECE · EEE · IoTInduction motor protection and monitoringProblem: Small workshops lose motors to overload, phase loss and overheating because nothing trips in time.Output: A unit that measures current, voltage and temperature, trips a contactor on a fault and logs the cause to a phone.
  Build with, and what to demo

  Build with: ESP32, current transformers, a voltage sensor module, a temperature sensor and a relay driving a contactor
  Show in the demo: create an overload on a small motor and show the trip and the log. This is mains voltage: build and test it only with your guide and the lab’s safety equipment.

• Topic idea · ECE · EEE · IoTSign language glove that speaksProblem: People who use sign language cannot easily talk with those who do not know it.Output: A glove that recognises a set of hand signs from finger bend and motion, and speaks the word through a phone.
  Build with, and what to demo

  Build with: Arduino Nano or ESP32, flex sensors, an MPU6050 and Bluetooth, with a small classifier
  Show in the demo: ten signs recognised live, and the confusion table for all of them.

• Topic idea · ECE · EEE · IoTIndoor navigation with Bluetooth beaconsProblem: Visitors get lost inside large hospitals and campus buildings, where GPS does not work.Output: A phone app that shows your position on a floor map from beacon signals and guides you to a room, with the error measured.
  Build with, and what to demo

  Build with: ESP32 boards as beacons and an Android app using signal strength fingerprints
  Show in the demo: walk a corridor with the app, then show the measured error at marked points.

Need more to choose from? See 53 final year project ideas for CSE and IT, 49 machine learning projects, 33 IoT projects and 27 projects for ECE and EnTC.

How do you write a problem statement for a B.Tech project?

Write three sentences, in this order, and keep numbers out unless you can cite them.

1. Who has the problem, and where. “Small housing societies record maintenance payments in notebooks.”
2. What goes wrong today. “Dues are missed, receipts are lost and the committee cannot see who has paid.”
3. What is missing. “Existing apps are priced for large societies and need training to use.”

Then write the output as one checkable line: “A web app that shows flat-wise dues, issues a receipt for each payment and produces a monthly report.” If an examiner could tick it off while watching your demo, it is specific enough.

Which group of ideas suits your branch and team?

What do you do after choosing a topic?

1. Write the synopsis: the problem statement, objectives, modules, tools and the expected output.
2. Get your guide’s approval in writing before you build anything.
3. Build the core feature first, then the extras, and test with someone outside the team.
4. Write the black book as you go, so the diagrams and screenshots match what you built.

If your college asks for a project based on a published paper, see IEEE projects for final year. For what we build with you, see final year projects for CSE and IT. Studying for a Diploma or an M.Tech? There are separate lists of Diploma project topics and M.Tech project ideas.

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