AIDED : 24,
DURATION : 2 YEARS ( Yearly)


1) Introduction

2) Safety Precaution

3) Allied Trade

4) Fundamentals of

5) Measuring Practice

6) Diesel Engine

7) Hydraulic & Pneumatic

8) Ignition Circuit

9) Intake & Exhaust

10) Emission Control

11) Charging System

12) Project Work / Industrial Visit

1) Manual / Automatic

2) Suspension System

3) Steering System

4) Wheels & Tyres

5) Braking System


7) Engine Scanning

8) Starting System

9) Lighting System

10) Heavy Vehicle AC

11) Electrical Accessories

12) Driving Practice

13) Project Work / Industrial Visit


During the two-year duration, a candidate is trained on subjects- Professional Skill, Professional Knowledge, Engineering Drawing, Workshop Calculation &Science and Employability Skills related to job role. In addition to this, a candidate is entrusted to make/do project work and Extra Curricular Activities to build up confidence. The practical skills are imparted in simple to complex manner & simultaneously theory subject is taught in the same fashion to apply cognitive knowledge while executing task.The broad components covered under Professional Skill subject are as below:


This year will cover the safety aspect in general and specific to the trade, identification of tools & equipment, raw materials used. The trainee will perform Measuring & marking by using various Measuring & Marking tools. The trainee will be able to plan and perform basic fastening and fitting operations. Familiarize with basics of electricity, test and measure the electrical parameter. Skilling practice on maintenance of batteries being done. He will practice making various welding joints by using Arc and gas welding, trace and identify various hydraulics and pneumatics components and identify components in Air and Hydraulic Brake system.
The candidate will be able to dismantle Diesel Engine of LMV as per given standard procedures. Able to achieve skill on Overhauling of Cylinder Head , valve train , Piston, connecting rod assembly, crankshaft, flywheel and mounting flanges, spigot and bearings, camshaft etc. practice reassembling all parts of engine in correct sequence as per workshop manual. Perform testing on engine. Also the trainee practice on repair and maintenance of Cooling, lubrication, Intake & Exhaust system of Engine. Perform maintenance of diesel fuel system, FIP, Governor and monitor emission of vehicle. Practice on repair, maintenance and overhaul of Starter, alternator and perform Execute troubleshooting in engine of LMV/HMV.


In the second year, the trainee will learn to perform overhauling of light vehicle/Heavy Vehicle transmission units including Gear box, Single plate clutch assembly, Diaphragm clutch assembly , Constant mesh Gear box, synchromesh gear box, gear linkages, Propeller shaft, Universal Slip Joint, Rear axle assembly, Differential assembly. The trainee will perform overhauling of light vehicle Chassis units, adhering to the specifications and tolerances for the vehicle and the manufacturer’s approved overhauling methods, Standard repair methods, health and safety requirements etc. the trainee will learn how to overhaul, repair and service Shackle, Leaf spring, Front axle, Front and rear suspension, Steering Gearbox- worm and roller type, Steering Gearbox- Reticulating ball type, Master cylinder, Tandem Master cylinder, Front and rear brake, Wheel cylinder , Vacuum booster, Air servo unit, Air tank (reservoir) etc. The trainee will also learn to carry out wheel balancing and Wheel Alignment to within acceptable limits.
The trainee will troubleshoot vehicle Engine components and ascertain repair. Plan & service Electronic Control Unit and check functionality. Diagnose & rectify the defects in vehicle to ensure functionality of vehicle. The trainees will carry out overhauling of charging system. Also the trainee will perform overhauling of starting system. Troubleshoot electrical components of vehicle and ascertain repair. Overhaul, service and testing Vehicle Air Conditioning system, its parts and check functionality. The trainee will also learn to drive vehicle following Traffic Regulations and maintenance of good road conduct

Job Role

Mechanic, Automobile

repairs overhauls and services motor vehicles to keep them in good running condition. Examines vehicle to ascertain nature and location of defects either by running engine or driving vehicle on road. Dismantles partially or completely defective unit or parts of vehicle such as engine, gear box, rear axle, front axle, steering assembly, radiator, etc. according to nature of repairs to be done, using hoist, jack, pullers, hand tools and other devices. Measures essential parts like cylinder, bores piston, sizes crank pins etc. using gauges, micrometre and other precision tools and gets cylinders re-bored, liners filled, valve seats refaced, bearings re-metalled etc. as necessary. Repairs or overhauls and assembles engine by performing tasks similar to those of Mechanic Petrol or Diesel Engine such as replacing defective parts, scrapping bearings, grinding valves, setting timing, cleaning injectors, tuning carburettor etc. according to maker’s specification. Replaces or repairs defective parts of gear box, rear axle, steering mechanism etc. and sets them right ensuring correct alignment, clearance, meshing of gears, specified movements and operations. Relines and builds brakes, sets wheel alignment, adjust, steering, clutch, hand brakes etc. fits new or repaired accessories and body parts, makes electrical connection, and performs other tasks to effect repairs. Lubricates, joints, tightens loose parts, tests performance of vehicle by driving on road and makes necessary adjustments to attain desired standard. May assemble complete vehicle from finished components.

Maintenance Technician-Service Workshop

maintains and manages tools and equipment used in the work

Auto Service Technician-Mechanic

is responsible for the repair and routine servicing and maintenance (including electrical and mechanical aggregates) of vehicles.

Mechanic Motor Vehicle

repairs overhauls and services motor vehicles to keep them in good running condition.

Fitter Automobile

attends to minor repairs to motor vehicles under guidance of Mechanic Automobile. Receives instructions from Mechanic, Automobile about tasks to attend. Jacks up vehicle to required height for repair in convenient position where necessary. Removes nuts and bolts to dismantle parts such as water pump assembly, fuel pumps assembly, distributor, carburettor, sparking plugs, starter motors, generator, steering gear, brakes, clutch, transmission and suspension systems, etc. Grinds valve and decarbonises cylinder head under guidance of mechanic and changes oil of engines and transmission system. Tightens loose parts, lubricates joints, does minor repairs, replacements and adjustments and performs simple fitting operations such as filing, chipping, grinding etc. May work in workshops or garage. May drive vehicle on road. May be designated as Service Mechanic if engaged in cleaning, polishing, oiling and greasing vehicles and do minor routine adjustments as included in servicing.

Motor Vehicle Mechanics, Other

perform number of routine and low skilled tasks in repairing and overhauling motor vehicles such as removing mudguards, bonnets etc. to facilitate working, adjusting alternator and fan belt, assist in bleeding of brakes, draining gear box and oil pump, removing and resetting road spring, etc., and are designated as Motor Mechanic Helper, or Garage Boy according to nature of work done.

Reference NCO-2015:
7231.0100 – Mechanic, Automobile
7231.0101 – Maintenance Technician – ServiceWorkshop
7231.0107 – Auto Service Technician – Mechanic
7231.0400 – Fitter Automobile
7231.9900 – Motor Vehicle Mechanics, Other