Who this is for
This guide is for mechanics, auto electricians, workshop owners and students in India who want to learn car electrical work, ECU/EMS systems and scanner diagnosis from their phone. You do not need a technical degree. If you can use WhatsApp and YouTube, you can use the app.
Why videos alone are not enough
Most technicians have already watched hundreds of repair videos. The problem starts when your own car in the workshop behaves differently from the one in the video. A recorded video cannot answer your question, and it cannot tell you why your reading is 4.2 V instead of 5 V.
That is why a good training app needs two things together: recorded lessons for the basics, and live classes where a trainer clears your doubts on your own cases.
What a good repair training app should have
Before you pay for any course, check that the app gives you:
- Live classes where you can ask your own doubts.
- Practical work on real vehicles, not only slides and theory.
- Fault finding methods, so you find the actual fault instead of swapping parts.
- Your language, in simple words.
- A trainer you can contact directly, not only a support ticket.
- A way to practise testing before you work on a customer's car.
- New content regularly, as vehicles and systems keep changing.
Garage Gyan: training from Car Tool India
Garage Gyan (CTI Training App) is the online training app from Car Tool India, Balaghat, which has supplied diagnostic scanners and tools to Indian workshops since 2016. Classes are taken by Harish Jaiswal, who has 10+ years of hands-on technician experience and has worked in the workshop himself.
The course is built around one idea: we teach what you want to learn. Questions from students decide what the next practical videos will cover.
How a week of learning works
- Monday to Thursday: Premium live classes for students who have bought the course.
- Friday: Free live class, open to everyone.
- Saturday and Sunday: The week's live class videos are edited and uploaded, along with practical videos.
Classes usually happen between 6:30 PM and 9:30 PM, after workshop hours. The exact time is sent by notification and SMS. See the full live class schedule.
How your questions become practical videos
- During the week, you ask your questions in the live class.
- The team shoots practical videos on a real vehicle based on those questions.
- The videos are uploaded in the app from Friday to Sunday of the next week.
On top of this, 7–10 new videos are added every month as a new session.
What you will learn
Two courses are available in the app:
- Electrical Master: 8 parts, 75 lessons, about 22 hours. Wiring, relays, fuses, sensors, multimeter testing and fault finding.
- Diagnostic Master: 16 lessons, coming soon. Scanner use, ECU and EMS diagnosis.
Topics include engine ECU, CAN line, OBD port, DTC decoding, wiring diagrams, short to ground and short to positive, and 5V reference faults. Car, truck, petrol, diesel and CNG vehicles are covered in one course.
What is free in the app
You can try a lot before paying anything:
- Student Practice (virtual practice): multimeter testing of relays, fuses, sensors and injectors on your phone. 100% free.
- Recorded videos: watch any time, as often as you like.
- Study material: notes by Harish Jaiswal on engine ECU, CAN line, OBD port and DTC decoding.
- Chat support: ask your doubts in the Chats tab.
- Friday live class.
Every free feature is shown with screenshots in what's free in the app.
Garage Gyan compared with other apps
| Garage Gyan | Other apps | |
|---|---|---|
| Live classes every week | ✓ Yes | ✗ |
| Direct chat with the trainer | ✓ Yes | ✗ |
| Practical videos on your questions | ✓ Yes | ✗ |
| Every doubt cleared live | ✓ Yes | ✗ |
| New session every month | ✓ Yes | ✗ |
| Free virtual practice | ✓ Yes | ✗ |
Read why our course is different for the full list.
How to start
- Download Garage Gyan from the Google Play Store.
- Open Student Practice and the free study material to see how lessons are taught.
- Join the free Friday live class. Tap the live class window on the Home page (see how).
- If you like it, open Online Training on the Home screen, choose a course and plan, and tap Get this course (app guide).
Course fee
- 6 months: ₹5,450 (MRP ₹6,450)
- 1 year: ₹8,870 (MRP ₹12,900), best value
Is this course right for you?
If you only want to watch videos, this course is not for you. Buy it if you want to learn, ask questions and get your doubts cleared. Basics are recorded, and in live classes we clear every doubt, basic and advanced.
Frequently asked questions
Which is the best app to learn car repair in India?
Choose an app with live classes, practical videos on real vehicles, a trainer you can ask doubts to, and lessons in your language. Garage Gyan offers all of these in Hindi, Hinglish and English.
Can I learn car electrical and diagnostics in Hindi?
Yes. Garage Gyan lessons, notes and live classes are in Hindi / Hinglish in simple words, with English support.
When do Garage Gyan live classes happen?
Premium live classes run Monday to Thursday and the free live class is on Friday, usually between 6:30 PM and 9:30 PM. The exact time is sent by notification and SMS.
Is there anything free in the Garage Gyan app?
Yes. Virtual practice (relay, fuse, sensor, injector), recorded videos, study material, free notes, chat support and the Friday live class are free for everyone.
How much does the Garage Gyan course cost?
6 months ₹5,450 and 1 year ₹8,870.
Does the course cover diesel, CNG and trucks?
Yes. Car, truck, petrol, diesel and CNG vehicles are covered in one course.
How do I join a live class?
Open the Garage Gyan app and tap the live class window on the Home page or inside your course.
