For Mechanical engineers in India, the Graduate Aptitude Test in Engineering (GATE) is not just an exam for higher studies — it’s a gateway to prestigious Public Sector Undertakings (PSUs).
Top organizations like ONGC, IOCL, NTPC, BHEL, GAIL, BPCL, HPCL, and others recruit mechanical engineers primarily through GATE scores. A good rank can secure a high-paying, secure, and respected career in industries ranging from energy and oil & gas to power, aviation, and infrastructure.
This guide explains everything about PSU recruitment via GATE: eligibility, selection process, cutoff trends, salary structures, and preparation strategies.
Why PSUs Recruit Through GATE?
Merit-based filtering: GATE offers a common, standardized technical evaluation.
Reduced recruitment load: PSUs avoid conducting their own exams.
Level playing field: Engineers across India are judged on the same parameters.
Benchmark for skills: GATE syllabus overlaps with core engineering required in PSUs.
List of PSUs Recruiting Mechanical Engineers Through GATE
PSU
Typical Role
GATE Paper
Salary (Approx.)
Highlights
ONGC
Graduate Trainee (ME)
ME
₹15–20 LPA CTC
Oil exploration, rigs, offshore
IOCL
Assistant Officer / Engineer
ME
₹12–16 LPA
Refineries, energy, pipelines
NTPC
Executive Trainee (ME)
ME
₹11–15 LPA
Power plants, turbines
BHEL
Engineer Trainee (ME)
ME
₹10–12 LPA
Power & heavy machinery
GAIL
Executive Trainee (ME)
ME
₹10–12 LPA
Gas pipelines, petrochemicals
BPCL / HPCL
Graduate Engineer
ME
₹12–14 LPA
Oil & Gas downstream
NPCIL
Executive Trainee
ME
₹9–12 LPA
Nuclear reactors
POWERGRID
Engineer Trainee
ME
₹11–13 LPA
Transmission & grids
Eligibility Criteria
Degree: Full-time B.E./B.Tech in Mechanical Engineering.
Minimum Marks: 60–65% (varies per PSU).
GATE Paper: Mechanical Engineering (ME).
GATE Validity: Score valid for 3 years, but PSUs usually accept only current year’s score.
Recruitment Process
GATE Exam → Written national-level exam (MCQs + NATs).
Shortlisting by PSUs → Based on GATE score (normalized).
Group Discussion / Written Test → (Some PSUs conduct GD/GT).
Personal Interview → Focuses on technical & HR questions.
Final Selection → Based on combined weightage.
Weightage System (Typical)
Stage
Weightage
GATE Score
75–85%
Group Discussion / Written Test
5–10%
Personal Interview
10–15%
In some PSUs (like ONGC, NTPC), GATE alone is enough, while others (IOCL, HPCL) add GD/PI.
Cutoff Trends (Last 10 Years – Mechanical Engineering)
Year
ONGC (UR)
IOCL (UR)
NTPC (UR)
BHEL (UR)
2015
750+
700+
720+
730+
2017
820+
750+
780+
760+
2019
850+
780+
810+
790+
2021
870+
800+
820+
800+
2023
880+
815+
830+
805+
2024
885–890
820+
835+
810+
Cutoffs vary with vacancies, exam difficulty, and competition.
Salary & Benefits
CTC Range: ₹10 LPA – ₹20 LPA.
In-hand Salary: ₹60,000 – ₹1,20,000/month (varies by PSU).
Perks:
Dearness Allowance (DA).
House Rent Allowance (HRA).
Medical facilities.
Performance-related pay.
Pension & job security.
Preparation Strategy
Core Subjects First – Thermodynamics, Fluid Mechanics, SOM, TOM, MD, Manufacturing, Heat Transfer.
Previous Year Papers – Solve GATE ME PYQs + PSU technical interview questions.
Time Management – Daily 2–3 hrs of problem-solving, 1 hr revision.
Mock Tests – Take full-length GATE mocks weekly.
Interview Prep – Be thorough with 2 favorite subjects + final-year project.
Recruitment Calendar (Typical)
Feb → GATE exam.
Mar–Apr → GATE result declaration.
Apr–Jun → PSU application window opens.
Jun–Aug → Shortlisting + GD/PI rounds.
Sep–Nov → Final results, joining offers.
Future Outlook
More PSUs will adopt GATE-only recruitment (digital, merit-based).
High competition → Mechanical cutoffs rising steadily (above 850+ marks).
Green energy & EVs → Expect more PSU openings in renewable, hydrogen, and electric mobility.
Globalization → Indian PSUs expanding abroad, offering international exposure.
Final Thoughts
For Mechanical engineers in India, GATE is the golden key to PSU jobs. A strong GATE score can lead to lucrative, secure, and respected careers in ONGC, IOCL, NTPC, BHEL, GAIL, and more.
With structured preparation, consistent practice, and strategic application tracking, you can transform a good GATE rank into a long-term PSU career.
Whether you aim for oil & gas, power, energy, or heavy industries, GATE remains the most reliable entry point into India’s top PSUs.
Mechanical engineering remains one of the most sought-after core disciplines in India. Every year, lakhs of graduates aspire to join Public Sector Undertakings (PSUs) due to their job security, prestige, technical exposure, and benefits.
While GATE is the primary gateway, many engineers are unaware that several PSUs and government research organizations recruit Mechanical engineers without GATE. These opportunities come in the form of dedicated exams, interviews, and apprentice programs.
This guide explores all PSU and government opportunities without GATE for Mechanical engineers — including eligibility, recruitment process, cutoff trends, salary, and preparation strategies.
Recruitment Modes in PSUs
Through GATE: ONGC, IOCL, NTPC, GAIL, BPCL, HPCL, etc.
Without GATE: Specialized exams & interviews by ISRO, BARC, HAL, BEL, SAIL, DRDO, NPCIL, etc.
Here, we cover the non-GATE route.
List of PSUs & Government Organizations Hiring Mechanical Engineers Without GATE
Organization
Recruitment Mode
Typical Roles
Highlights
ISRO
Written Test + Interview
Scientist/Engineer ‘SC’
Space missions, satellite tech
BARC
Written Test / GATE + Interview
OCES/DGFS Officers
Nuclear R&D, reactor design
BEL
Written Test + Interview
Trainee/Project Engineers
Defense electronics manufacturing
HAL
Test + Interview
Design/Production Engineers
Aerospace design & assembly
SAIL
Exam + Interview
MT (Tech), Operator/Technician
Steel plant operations
DRDO (CEPTAM)
Written Test + Skill/Interview
STA, Tech-A, JRF/SRF
Defense R&D roles
NPCIL
Test + Interview
Executive Trainee, Apprentices
Nuclear plant operations
BHEL
Apprenticeship/Direct Exams
Graduate/Technician Apprentice
Power & energy sector
ISRO Recruitment (Mechanical Engineers)
Eligibility: B.E./B.Tech (ME) with ≥ 65% or CGPA 6.84/10.
Non-GATE exams will continue for specialized engineering jobs in defense, nuclear, and aerospace.
Final Thoughts
Joining a PSU without GATE is absolutely possible for Mechanical engineers — through ISRO, BARC, BEL, HAL, SAIL, DRDO, NPCIL, and BHEL.
With consistent preparation, awareness of cutoffs, and smart application tracking, aspirants can secure a prestigious PSU job without depending solely on GATE.
PSU careers are not just jobs; they are platforms to contribute to India’s technological and industrial growth.
The ISRO Mechanical Engineering recruitment exam is one of the most prestigious technical exams in India, attracting thousands of engineering graduates every year. With a limited number of seats and high competition, it becomes essential to prepare smartly.
One of the most powerful tools in your preparation arsenal? Previous Year Questions (PYQs).
In this blog, we’ll dive deep into how to use ISRO ME PYQs effectively, why they matter, and how they can dramatically improve your chances of cracking the exam.
Why ISRO PYQs Are Crucial for Mechanical Engineering
1. Understand the Exam Pattern
PYQs give direct insight into the structure, level, and focus of ISRO’s mechanical paper. Unlike GATE or ESE, ISRO asks factual, numerical, and concept-oriented MCQs — knowing what to expect is half the battle.
2. Focus Your Preparation
PYQs reveal high-weightage topics like:
Thermodynamics
Fluid Mechanics
Strength of Materials
Heat Transfer
Theory of Machines
IC Engines
With this insight, you can prioritize preparation instead of blindly covering the entire syllabus.
3. Develop Conceptual Clarity
Repeated exposure to real exam questions improves your understanding of core concepts and reduces silly mistakes.
4. Improve Speed and Accuracy
Practicing with PYQs helps simulate real exam timing. You’ll learn which questions to attempt quickly, and which ones to leave for later.
The GATE (Graduate Aptitude Test in Engineering) is a gateway for mechanical engineers aiming for higher studies, PSU jobs, or research opportunities. With a vast syllabus covering core concepts, engineering applications, and mathematics, it’s vital to follow a structured subject-wise study sequence to make the most of your preparation time.
This guide walks you through a logical, progressive sequence of subjects, tailored for efficient learning and retention, and explains the why behind the order — not just the what.
Why Follow a Subject Sequence?
Mechanical engineering is interconnected — subjects build on one another. Studying them in a random order leads to confusion and wasted effort.
A proper sequence helps you:
Grasp foundational topics first
Tackle complex subjects with confidence
Build conceptual layers step-by-step
Align with the GATE exam weightage and question pattern
Complete GATE Mechanical Subject List
According to the latest GATE syllabus, core subjects include:
Engineering Mathematics
Engineering Mechanics
Strength of Materials (SOM)
Theory of Machines (TOM)
Machine Design
Fluid Mechanics (FM)
Heat Transfer (HT)
Thermodynamics
Manufacturing Engineering
Industrial Engineering
General Aptitude (GA)
Ideal Study Sequence for GATE Mechanical
Let’s explore the best subject flow, grouped into foundational, core, and application-based categories.
Phase 1: Foundational Pillars
These subjects form the base for almost every other topic.
1. Engineering Mathematics
Study this early; it’s scoring and supports FM, HT, IE, etc.
Topics:
Linear Algebra
Calculus
Differential Equations
Complex Numbers
Probability & Statistics
Numerical Methods
Vector Calculus
Tip: Solve GATE-specific numericals from the start.
2. Engineering Mechanics
Foundation for SOM, TOM, and Machine Design.
Topics:
Free-body diagrams
Equilibrium
Friction
Kinematics & Dynamics
Work-Energy-Power
Tip: Focus on visualization and FBDs — essential for later subjects.
Phase 2: Core Conceptual Framework
These are the heart of mechanical engineering.
3. Strength of Materials (SOM)
Requires Engineering Mechanics knowledge.
Topics:
Stress-Strain, Elastic Constants
Torsion, Bending, Shear
Mohr’s Circle
Deflection
Columns & Beams
Tip: Derivations and graphs matter. Practice formula-based numericals.
4. Theory of Machines (TOM)
Closely linked with Engineering Mechanics.
Topics:
Kinematic Chains
Cams, Gears, Flywheels
Vibrations
Governors
Gyroscopic Effect
Tip: Focus on visual mechanisms and gear train calculations.
5. Machine Design
Needs SOM and TOM as prerequisites.
Topics:
Design Against Static & Fatigue Loads
Springs, Shafts, Bearings
Joints (Welded, Bolted, Riveted)
Tip: Learn the reasoning behind design choices and failure theories.
Phase 3: Fluid-Thermal Sciences
Interrelated topics with a strong base in physics and mathematics.
6. Fluid Mechanics (FM)
Needs Math and Mechanics background.
Topics:
Fluid Properties
Continuity, Momentum, Energy Equations
Bernoulli, Laminar/Turbulent Flow
Pipe Flow, Boundary Layer, Turbomachinery
Tip: Visual understanding and dimensional analysis are key.
7. Heat Transfer (HT)
Builds on FM and Thermodynamics
Topics:
Conduction (1D, 2D)
Convection
Radiation
Heat Exchangers
Tip: Practice steady vs. transient heat flow problems.
8. Thermodynamics & Applications
Must-know subject for Mechanical GATE aspirants.
Topics:
Laws of Thermodynamics
Entropy, Energy Balance
Availability, Pure Substances
Gas Power & Vapor Cycles
IC Engines, Refrigeration, Compressors
Tip: Don’t memorize cycles — understand the PV/TS plots and process logic.
Phase 4: Manufacturing and Operations
These are direct and fact-heavy but still require logical thinking.
9. Manufacturing Engineering
Easy to score with diagrams and memory work.
Topics:
Casting, Forming, Machining, Welding
Metrology, Machine Tools
CNC, Jigs & Fixtures
Material Science Basics
Tip: Make flowcharts and process diagrams for retention.
10. Industrial Engineering (IE)
Linked with Math and logical reasoning.
Topics:
Operations Research (LPP, Queuing, Inventory)
Production Planning
Work Study, Time-Motion
Forecasting
Tip: Learn standard models and their assumptions clearly.
Phase 5: General Aptitude (GA)
Included in all GATE papers — 15% weightage.
Topics:
English Grammar & Vocabulary
Logical Reasoning
Numerical Ability
Tip: Practice regularly; use it as a break between technical subjects.
Subject-Wise Interdependencies
Here’s how subjects build upon each other:
Engineering Mathematics
↓
Engineering Mechanics
↓
SOM → TOM → Machine Design
↓ ↓
FM → HT → Thermodynamics
↓
Manufacturing → IE
Study Strategy Tips
Start with Conceptual Subjects: Math, EM, SOM
Then move to Visual/Physical Subjects: FM, TOM, HT
Finish with Process-Based Subjects: Manufacturing, IE
Daily Rotation: Alternate technical + aptitude or light + heavy topics
Solve PYQs after each subject
Use standard books (RS Khurmi, PK Nag, BC Punmia, etc.)
Practice mock tests every 2 weeks
Subject-Wise Weightage in GATE (Indicative)
Subject
Approx Weightage
Engineering Mathematics
12–15%
Thermodynamics & Applications
10–12%
Manufacturing Engg.
10–12%
SOM
8–10%
FM + HT
10–12%
TOM
8–10%
Machine Design
5–8%
Industrial Engineering
6–8%
Engineering Mechanics
5–6%
General Aptitude
15%
(Subject to changes year-to-year)
Final Thoughts:
Preparing for GATE Mechanical is a marathon — not a sprint. A thoughtful subject sequence helps reduce stress, increase retention, and builds mastery layer by layer.
Remember: Don’t just study hard. Study smart — and study in the right order.
In a world where your phone buzzes every few seconds and your to-do list feels endless, staying focused isn’t just hard—it feels almost impossible. But what if you could train your brain to block out the noise and dive deep into meaningful work?
Good news: you can. Focus isn’t a magical gift—it’s a learnable skill. And this guide will show you how to build it from the ground up.
Why You Lose Focus (And Why It’s Not Your Fault)
Modern life is engineered to hijack your attention. Between constant notifications, multitasking culture, and overloaded schedules, your brain is constantly being pulled in different directions. Add in poor sleep, high stress, and digital temptation, and it’s no wonder our minds feel scattered.
But don’t worry—focus is like a muscle. You can build it, strengthen it, and use it to unlock clarity, productivity, and peace.
The Science-Backed Strategies That Actually Work
Set Clear, Specific Goals
Ambiguity is the enemy of focus. When your goal is fuzzy, your mind will wander. Break your work into small, actionable steps. A clear path keeps your attention sharp and your motivation high.
Use Time Blocks (Like Pomodoro)
Your brain isn’t built for hours of non-stop work. Use short, focused intervals (like 25 minutes of deep work followed by a 5-minute break) to get more done in less time—and with less burnout.
Eliminate Distractions
Before you try to focus, set yourself up to win. Turn off notifications. Block distracting websites. Put your phone in another room. Clean your workspace. Create an environment where your brain can breathe.
Start with What Matters Most
Begin your day with the task that moves the needle. Don’t check emails or social media first thing. Tackle your most important work while your mind is still fresh.
Train with Mindfulness
Meditation helps you notice when your mind drifts—and gently bring it back. Even 5–10 minutes a day can rewire your brain to be more present and aware.
Fuel Your Brain
Your brain needs care to stay sharp. Get enough sleep. Drink water. Eat real, whole foods. Move your body. Energy management is just as important as time management.
Batch Similar Tasks
Switching between tasks drains mental energy. Group similar activities—like responding to emails or making phone calls—into dedicated blocks so your brain can stay in one gear.
Ditch the Multitasking Myth
Multitasking isn’t efficient—it’s exhausting. Focus on one thing at a time. Go all in. You’ll finish faster and perform better.
Reflect, Learn, Adjust
Keep track of what works and what doesn’t. Journal your distractions. Celebrate what helped you stay focused. Use that data to get 1% better every day.
Start Small and Build
Don’t expect to focus for hours if you’re starting from scratch. Begin with just 10 minutes a day. Grow your attention span like you’d train for a race: gradually and consistently.
Create an Environment That Supports Deep Work
Design your space for attention. Use warm lighting. Declutter. Keep only what you need. If possible, create a dedicated “focus zone” your brain associates with getting things done.
Protect Your Time by Saying No
You can’t focus if you’re overcommitted. Block time on your calendar for deep work. Set boundaries. Say no to things that don’t align with your priorities.
Use Anchors to Trigger Focus
Condition your mind with consistent cues. Use the same playlist, scent, or outfit when you want to enter focus mode. Over time, these small rituals train your brain to shift gears instantly.
Check In With Your Attention
Become aware of where your focus is going. Ask yourself throughout the day: Am I still on task?What just pulled me away?Do I need to reset? This mindfulness helps you catch drift before you lose momentum.
Final Thoughts: Focus is Freedom
When you take back control of your attention, you take back control of your life. You don’t need more time—you need more presence in the time you already have.
Start small. Pick just two or three strategies that resonate. Build from there. With practice, you’ll find yourself focusing more easily, working more deeply, and living more intentionally.
Preparing for the GATE Mechanical Engineering exam can be overwhelming — especially with a vast syllabus, time-bound goals, and tough competition. If you’re starting your preparation with 6 months in hand, you’re in a perfect position to succeed, provided you follow a smart and structured plan.
In this post, I’ll walk you through a realistic 6-month, day-wise and subject-wise study plan for GATE ME, designed to maximize your output and leave ample time for mock tests and revision.
What This Plan Includes:
Daily and weekly study breakdown
Sub-topic coverage for each subject
Dedicated time for revision and mock tests
Weekly self-assessment strategy
Includes Engineering Mathematics and General Aptitude
Month-Wise Study Strategy
Month 1: Build the Foundation
Focus on:
Engineering Mathematics
Engineering Mechanics
General Aptitude (alternate days)
Topics Covered:
Linear Algebra, Calculus, Differential Equations
Statics, Dynamics, Free Body Diagrams
Probability, Statistics
Verbal & Numerical Ability
Weekly Task:
Take a short test every Sunday
Start creating your formula notebook
Month 2: Strength + Machines
Focus on:
Strength of Materials (SOM)
Theory of Machines (TOM)
Topics Covered:
Stress-Strain, Mohr’s Circle, Bending & Torsion
Gears, Flywheels, Cams, Mechanisms
General Aptitude light practice
Pro Tip: Don’t just read theory—solve GATE PYQs topic-wise after every chapter.
Month 3: Thermal Core Subjects
Focus on:
Thermodynamics
Fluid Mechanics
Heat Transfer
Topics Covered:
First & Second Law, Carnot, Rankine, Otto/Diesel Cycles
Here’s the official GATE 2025 Mechanical Engineering (ME) syllabus, along with key details to help you prepare effectively:
Section 1: Engineering Mathematics
Linear Algebra: Matrix algebra, systems of linear equations, eigen values and eigen vectors.
Calculus: Functions of single variable, limit, continuity and differentiability, mean value theorems,indeterminate forms; evaluation of definite and improper integrals; double and triple integrals;partial derivatives, total derivative, Taylor series (in one and two variables), maxima and minima,Fourier series; gradient, divergence and curl, vector identities, directional derivatives, line, surface and volume integrals, applications of Gauss, Stokes and Green’s theorems.
Differential Equations: First order equations (linear and nonlinear); higher order linear differential equations with constant coefficients; Euler-Cauchy equation; initial and boundary value problems; Laplace transforms; solutions of heat, wave and Laplace’s equations.
Complex Variables: Analytic functions; Cauchy-Riemann equations; Cauchy’s integral theorem and integral formula; Taylor and Laurent series.
Probability and Statistics: Definitions of probability, sampling theorems, conditional probability; mean, median, mode and standard deviation; random variables, binomial, Poisson and normal distributions.
Numerical Methods: Numerical solutions of linear and non-linear algebraic equations; integration by trapezoidal and Simpson’s rules; single and multi-step methods for differential equations.
Section 2: Applied Mechanics and Design
Engineering Mechanics: Free-body diagrams and equilibrium; friction and its applications including rolling friction, belt-pulley, brakes, clutches, screw jack, wedge, vehicles, etc.; trusses and frames; virtual work; kinematics and dynamics of rigid bodies in plane motion; impulse and momentum (linear and angular) and energy formulations; Lagrange’s equation.
Mechanics of Materials: Stress and strain, elastic constants, Poisson’s ratio; Mohr’s circle for plane stress and plane strain; thin cylinders; shear force and bending moment diagrams; bending and shear stresses; concept of shear centre; deflection of beams; torsion of circular shafts; Euler’s theory of columns; energy methods; thermal stresses; strain gauges and rosettes; testing of materials with universal testing machine; testing of hardness and impact strength.
Theory of Machines: Displacement, velocity and acceleration analysis of plane mechanisms; dynamic analysis of linkages; cams; gears and gear trains; flywheels and governors; balancing of reciprocating and rotating masses; gyroscope.
Vibrations: Free and forced vibration of single degree of freedom systems, effect of damping;vibration isolation; resonance; critical speeds of shafts.
Machine Design: Design for static and dynamic loading; failure theories; fatigue strength and the S-N diagram; principles of the design of machine elements such as bolted, riveted and welded joints; shafts, gears, rolling and sliding contact bearings, brakes and clutches, springs.
Section 3: Fluid Mechanics and Thermal Sciences
Fluid Mechanics: Fluid properties; fluid statics, forces on submerged bodies, stability of floating bodies; control-volume analysis of mass, momentum and energy; fluid acceleration; differential equations of continuity and momentum; Bernoulli’s equation; dimensional analysis; viscous flow of incompressible fluids, boundary layer, elementary turbulent flow, flow through pipes, head losses in pipes, bends and fittings; basics of compressible fluid flow.
Heat Transfer: Modes of heat transfer; one dimensional heat conduction, resistance concept and electrical analogy, heat transfer through fins; unsteady heat conduction, lumped parameter system,Heisler’s charts; thermal boundary layer, dimensionless parameters in free and forced convective heat transfer, heat transfer correlations for flow over flat plates and through pipes, effect of turbulence; heat exchanger performance, LMTD and NTU methods; radiative heat transfer, Stefan-Boltzmann law, Wien’s displacement law, black and grey surfaces, view factors, radiation network analysis.
Thermodynamics: Thermodynamic systems and processes; properties of pure substances, behavior of ideal and real gases; zeroth and first laws of thermodynamics, calculation of work and heat in various processes; second law of thermodynamics; thermodynamic property charts and tables, availability and irreversibility; thermodynamic relations.
Applications: Power Engineering: Air and gas compressors; vapour and gas power cycles,concepts of regeneration and reheat. I.C. Engines: Air-standard Otto, Diesel and dual cycles. Refrigeration and air-conditioning: Vapour and gas refrigeration and heat pump cycles; properties of moist air,psychrometric chart, basic psychrometric processes. Turbomachinery: Impulse and reaction principles, velocity diagrams, Pelton-wheel, Francis and Kaplan turbines; steam and gas turbines.
Section 4: Materials, Manufacturing and Industrial Engineering
Engineering Materials: Structure and properties of engineering materials, phase diagrams, heat treatment, stress-strain diagrams for engineering materials.
Casting, Forming and Joining Processes: Different types of castings, design of patterns, moulds and cores; solidification and cooling; riser and gating design. Plastic deformation and yield criteria;fundamentals of hot and cold working processes; load estimation for bulk (forging, rolling,extrusion, drawing) and sheet (shearing, deep drawing, bending) metal forming processes;principles of powder metallurgy. Principles of welding, brazing, soldering and adhesive bonding.
Machining and Machine Tool Operations: Mechanics of machining; basic machine tools; single and multi-point cutting tools, tool geometry and materials, tool life and wear; economics of machining; principles of non-traditional machining processes; principles of work holding, jigs and fixtures; abrasive machining processes; NC/CNC machines and CNC programming.
Metrology and Inspection: Limits, fits and tolerances; linear and angular measurements; comparators; interferometry; form and finish measurement; alignment and testing methods;tolerance analysis in manufacturing and assembly; concepts of coordinate-measuring machine(CMM).
Computer Integrated Manufacturing: Basic concepts of CAD/CAM and their integration tools;additive manufacturing.
Production Planning and Control: Forecasting models, aggregate production planning, scheduling,materials requirement planning; lean manufacturing.
Inventory Control: Deterministic models; safety stock inventory control systems.
Operations Research: Linear programming, simplex method, transportation, assignment, network flow models, simple queuing models, PERT and CPM.
Fluid Mechanics (incompressible + compressible — added in 2019)
Heat Transfer (Heisler’s charts highlighted post-2020)
4. Manufacturing and Industrial Engineering
Weightage: 25–30 marks
Topics: Engineering Materials, Metal Casting, Forming, Joining Processes, Machining and Machine Tool Operations, Metrology, CIM, Production Planning, Operations Research
Inventory Models (with Safety Stock in recent years)
Additive Manufacturing (added in 2022)
Lean Manufacturing (emphasized post-2023)
5. General Aptitude
Weightage: 15 marks
Topics: Verbal Ability, Numerical Ability
Year-wise Subject Weightage Overview
Year
Engineering Mathematics
Applied Mechanics & Design
Fluid Mechanics & Thermal Sciences
Manufacturing & Industrial Engineering
General Aptitude
2015
15
20
30
25
15
2016
13
22
28
27
15
2017
14
21
29
26
15
2018
13
23
31
24
15
2019
13
24
32
23
15
2020
13.5
23.5
32.5
23
15
2021
13
24
33
22
15
2022
13
25
34
21
15
2023
13
24.5
33.5
22
15
2024
13
24
33
23
15
2025
13
23
32
24
15
Key Observations
Engineering Mathematics: Maintains a consistent weightage of 13–15 marks across all years.
Applied Mechanics and Design: Shows a slight increase in weightage over the years, indicating its growing importance.
Fluid Mechanics & Thermal Sciences: Remains a significant portion of the exam, with a steady weightage.
Manufacturing & Industrial Engineering: Experiences fluctuations, reflecting changes in exam patterns and focus areas.
General Aptitude: Consistently holds a weightage of 15 marks.
