Mechanical Engineering Optional: answer writing, test series and mentorship
UPSC-style normalization across all 48 optionals26 tests (12 sectional + 14 full-length), each evaluated by experts within 2 hours, with model answers written around your own style. Every test gets your All-India rank and your Mechanical Engineering rank.
Papers set on UPSC's own pattern, a verified model answer for every question, every copy evaluated in about 2 hours, and a plan made for your hours.
Choose how you prepare for Mechanical Engineering
Three programmes, one standard: every paper set on UPSC's own pattern, every answer evaluated in about 2 hours, a verified model answer for every question.
Daily answer writing
A 50-mark paper every weekday, module by module through the whole syllabus. Write 35 minutes a day and never fall out of practice.
- Every module tested, the heavy ones again and again
- Real UPSC questions mixed with new ones of the same standard
- Evaluated in about 2 hours, with a model answer
- Your practice days; papers held when you fall behind
Mentorship
Everything you need to clear Mechanical Engineering: study material, a personal plan made for your hours, a test for every module, weekly and topic tests, full UPSC mocks and a mentor.
- Complete, comprehensive study material for every module, designed to score high in Mains: foundation, full notes, quick revision
- A personal plan for your hours and exam date, re-dated when you slip
- Read first, then the module's test; weekly, topic and mock tests in UPSC form
- Every copy reviewed; mentor calls and progress reports
Test series
Topic tests and full-length mocks, each a copy of a real UPSC paper's structure, with an All India Rank after every test.
- Mocks exactly in UPSC form: 8 questions, Q1 and Q5 compulsory, attempt 5
- Every question written for its probability of coming in 2027, printed beside it
- All India Rank and Mechanical Engineering rank after every test
- Change your test dates after joining
PYQ Topicwise · ₹750
Every Mechanical Engineering question UPSC has asked (2014–2026), arranged topic by topic, with how many marks each topic has carried year after year.
PYQ Solutions · ₹1,750
A model answer to every previous year question (2014–2026), module by module: worked step by step, with the figures a topper draws. Get one module free on WhatsApp.
GS + Essay + Mechanical Engineering: opening soon
The same three programmes for GS + Essay + Mechanical Engineering. Prices below; tell us on WhatsApp and we will message you the day it opens.
| Programme | 4 months | 8 months | 12 months |
|---|---|---|---|
| Daily answer writing | ₹17,999 | ₹27,999 | ₹34,999 |
| Mentorship | ₹49,999 | ₹79,999 | ₹99,999 |
| Test series | Lite ₹17,999 · Full ₹29,999 | ||
GS + Essay: opening soon
The same three programmes for GS + Essay. Prices below; tell us on WhatsApp and we will message you the day it opens.
| Programme | 4 months | 8 months | 12 months |
|---|---|---|---|
| Daily answer writing | ₹11,999 | ₹19,999 | ₹24,999 |
| Mentorship | ₹34,999 | ₹54,999 | ₹69,999 |
| Test series | Lite ₹12,999 · Full ₹21,999 | ||
Count the tests, not just the price
A test series is usually 8 to 16 tests. Here every rupee buys far more evaluated writing.
Up to 215 papers, each read, marked and returned with a model answer in about 2 hours.
26 tests in the full series: topic tests and mocks that copy real UPSC papers.
Up to 95 tests, with the study material, your personal plan and your mentor at no extra cost.
| What you get | Daily answer writing | Test series | Mentorship |
|---|---|---|---|
| Every copy evaluated in about 2 hours - marks, comments on each answer and a verified model answer | ✓ | ✓ | ✓ |
| A test on every module of the syllabus - nothing left untested | ✓ | — | ✓ |
| Weekly and topic tests that build the speed and stamina of the real exam | — | ✓ | ✓ |
| Full mocks set exactly like the UPSC paper, every question written for its probability of coming in 2027 | — | ✓ | ✓ |
| All India Rank after every test - know exactly where you stand | — | ✓ | ✓ |
| Complete, comprehensive study material, designed to score high in UPSC Mains - foundation, full notes and quick revision for every module | — | — | ✓ |
| Your own day-by-day study plan, built around your hours - it re-plans itself when you fall behind | — | — | ✓ |
| A mentor beside you - every copy reviewed, mentor calls and progress reports | — | — | ✓ |
Who sets the papers? How good are they?
The question every serious aspirant asks. Here is exactly how every Mechanical Engineering paper is made, and you can check one before you pay.
Built on UPSC's own paper
Each mock copies the structure of a recent UPSC paper: its sections, its questions and parts, its marks. Q1 and Q5 with five 10-mark parts, attempt five, at least one from each section, exactly as in the exam hall.
Weighted by 12 years of UPSC marks
Every topic and module gets questions in proportion to the marks UPSC has given it. You practise most what UPSC asks most.
Real PYQs and new questions of the same standard
Previous-year questions sit beside new questions written to the UPSC standard, each checked against the syllabus and given its chance of coming in 2027.
A verified model answer for every question
Worked step by step, with the figures a topper draws, checked before it is printed. You get it with your evaluated copy.
Reviewed and approved by our faculty
No paper reaches you before it is reviewed and approved. The approval is printed on every page of the paper.
Evaluated in about 2 hours
Your copy comes back marked question by question, with what you missed and how to write it better, while the paper is still fresh in your mind.
See it before you join
Judge the papers, the model answers and the plan yourself.
Write a free test
Get a real Mechanical Engineering paper on WhatsApp, write it, send it back and get it evaluated free. We also send you a solved paper and the sample plans.
- Open WhatsApp
- Tap the camera
- Scan this code
- Tap Send
A solved paper
One of our daily papers with its full model answers: see the standard of the questions and how every answer is written.
A sample personal plan
Day by day from the coming Monday: what to read, which test comes when, the revision weeks and the mocks, made for 6 hours a day. Preview the first weeks here; get the whole plan on WhatsApp.
- Open WhatsApp
- Tap the camera
- Scan this code
- Tap Send
Questions aspirants ask us
Who sets the question papers?
Every paper is built on the structure of a real UPSC paper and on 12 years of UPSC's marks for each topic, mixes real PYQs with new questions of the same standard, and is reviewed and approved by our faculty before it reaches you. Download the solved sample above and judge it yourself.
Who writes the model answers?
Every question has a model answer worked out step by step, with figures where a topper would draw one, checked before it is printed. You receive it with your evaluated copy.
How fast is the evaluation, and what do I get back?
About 2 hours after you submit. Your copy comes back marked question by question with comments, your marks, the model answer and, in the test series and mocks, your All India Rank.
How do I write and submit?
Print the paper or write on plain A4 sheets with margins, scan the pages into one PDF named with the test code, and send it on WhatsApp or upload it in the IndianCivils app.
Daily answer writing, test series or mentorship: which one is for me?
Daily answer writing keeps you writing every day through the syllabus. The test series checks you in exam conditions with topic tests and full mocks. Mentorship does both and adds the material, a personal plan and a mentor: the complete preparation for the optional.
What if I fall behind my plan?
In the mentorship your plan is re-dated around your real pace. In daily answer writing new papers wait while you have several unwritten ones, so nothing piles up.
Test series timetable
12 topic tests, then 14 full UPSC mocks, at the weekend, from your batch's first week. A free weekend follows every mock, to work on its evaluation.
| Test | Type | What it covers | When |
|---|---|---|---|
| 1 | Topic test | Paper II - Topic test 1: Thermodynamics, Gas Dynamics Turbine | Week 1 · Sat (FN) |
| 2 | Topic test | Paper I - Topic test 2: Mechanics | Week 2 · Sat (FN) |
| 3 | Topic test | Paper II - Topic test 3: Thermodynamics, Gas Dynamics Turbine | Week 3 · Sat (FN) |
| 4 | Topic test | Paper I - Topic test 4: Engineering Materials | Week 4 · Sat (FN) |
| 5 | Topic test | Paper II - Topic test 5: Heat Transfer | Week 5 · Sat (FN) |
| 6 | Topic test | Paper I - Topic test 6: Theory of Machines | Week 6 · Sat (FN) |
| 7 | Topic test | Paper II - Topic test 7: Heat Transfer | Week 7 · Sat (FN) |
| 8 | Topic test | Paper II - Topic test 8: Engines | Week 8 · Sat (FN) |
| 9 | Topic test | Paper I - Topic test 9: Manufacturing Science | Week 9 · Sat (FN) |
| 10 | Topic test | Paper II - Topic test 10: Steam Engineering | Week 10 · Sat (FN) |
| 11 | Topic test | Paper I - Topic test 11: Manufacturing Science | Week 11 · Sat (FN) |
| 12 | Topic test | Paper II - Topic test 12: Refrigeration and Air-conditioning | Week 12 · Sat (FN) |
| 13 | Full mock | Paper I - Full mock 1 | Week 13 · Sat (FN) |
| 14 | Full mock | Paper II - Full mock 1 | Week 13 · Sat (AN) |
| 15 | Full mock | Paper I - Full mock 2 | Week 15 · Sat (FN) |
| 16 | Full mock | Paper II - Full mock 2 | Week 15 · Sat (AN) |
| 17 | Full mock | Paper I - Full mock 3 | Week 17 · Sat (FN) |
| 18 | Full mock | Paper II - Full mock 3 | Week 17 · Sat (AN) |
| 19 | Full mock | Paper I - Full mock 4 | Week 19 · Sat (FN) |
| 20 | Full mock | Paper II - Full mock 4 | Week 19 · Sat (AN) |
| 21 | Full mock | Paper I - Full mock 5 | Week 21 · Sat (FN) |
| 22 | Full mock | Paper II - Full mock 5 | Week 21 · Sat (AN) |
| 23 | Full mock | Paper I - Full mock 6 | Week 23 · Sat (FN) |
| 24 | Full mock | Paper II - Full mock 6 | Week 23 · Sat (AN) |
| 25 | Full mock | Paper I - Full mock 7 | Week 25 · Sat (FN) |
| 26 | Full mock | Paper II - Full mock 7 | Week 25 · Sat (AN) |
The Lite series takes 6 of these topic tests and 3 mock rounds. Dates don't suit you? Change your test dates after joining.
Mechanical Engineering Optional syllabus
The UPSC syllabus this test series covers, topic by topic.
Mechanical Engineering - PAPER-I · 4 topics, 17 modules
- Mechanics
- Statics: 1.1 Mechanics of Rigid Bodies : Equations of equilibrium in space and its application; first and second moments of area; simple problems on friction
Particle Dynamics: kinematics of particles for plane motion; elementary particle dynamics
Stress and Strain: 1.2 Mechanics of Deformable Bodies : Generalized Hooke’s law and its application; design problems on axial stress, shear stress and bearing stress; determination of principle stresses and strains-analytical and graphical; compound and combined stresses; bi-axial stresses-thin walled pressure vessel
Bending of Beams: bending shear and stresses in beams; deflection of beam for statically determinate problems
Machine Design: material properties for dynamic loading; material behaviour and design factors for dynamic load; design of circular shafts for bending and torsional load only; theories of failure - Engineering Materials
- Physical Metallurgy: Basic concepts on structure of solids, common ferrous and non-ferrous materials and their applications; heat-treatment of steels
Non-Metallic Materials: non-metalsplastics, cermics, composite materials and nano-materials - Theory of Machines
- Kinematics of Machines: Kinematic and dynamic analysis of plane mechanisms; Cams; Gears and epicyclic gear trains
Flywheels and Governors: flywheels; governors
Balancing and Vibrations: balancing of rigid rotors; balancing of single and multicy- linder engines; linear vibration analysis of mechanical systems (single degree of freedom); Critical speeds and whirling of shafts - Manufacturing Science
- Metal Cutting: 4.1 Manufacturing Process: Machine tool engineering - Merchant’s force analysis: Taylor’s tool life equation; conventional machining; NC and CNC machining process; jigs and fixtures
Non-Conventional Machining: Non-conventional machining-EDM, ECM, ultrasonic, water jet machining etc; application of lasers and plasmas; energy rate calculations
Forming and Welding: Forming and welding processes-standard processes
Metrology: Metrology-concept of fits and tolerances; tools and gauges; comparators; inspection of length; position; profile and surface finish
Industrial Engineering: 4.2 Manufacturing Management : System design: factory location—simple OR models; plant layout-methods based; applications of engineering economic analysis and break-even analysis for product selection, process selection and capacity planning; predetermined time standards; design and balancing of multi model and stochastic assembly lines; management of resources, organizations and risks in projects
Production Planning and Control: System planning; forecasting methods based on regression and decomposition; inventory management-probabilistic inventory models for order time and order quantity determination; JIT systems; strategic sourcing; managing inter plant logistics; System operations and control: Scheduling algorithms for job shops
Quality Management: applications of statistical methods for product and process quality control applications of control charts for mean, range, percent defective, number of defectives and defects per unit; quality cost systems; System improvement: Implementation of systems, such as total quality management, developing and managing flexible, lean and agile Organizations
Mechanical Engineering - PAPER-II · 5 topics, 23 modules
- Thermodynamics, Gas Dynamics Turbine
- Thermodynamics: 1.1 Basic concept of First-law and Second law of Thermodynamics; concept of entropy and reversibility; availability and unavailability and irreversibility
Isentropic Flow: 1.2 Classification and properties of fluids; incompressible and compressible fluids flows; effect of Mach number and compressibility; continuity momentum and energy equations; one dimensional isentropic flow
Non-Isentropic Flow: normal and oblique shocks; flow or fluids in duct with frictions that transfer
Compressors: 1.3 Flow through fans, blowers and compressors; axial and centrifugal flow configuration; design of fans and compressors; single problems compresses and turbine cascade
Gas Turbines: open and closed cycle gas turbines; work done in the gas turbine; reheat and regenerators - Heat Transfer
- Heat Conduction: 2.1 Conduction heat transfer—general conduction equation-Laplace, Poisson and Fourier equations; Fourier law of conduction; one dimensional steady state heat conduction applied to simple wall, solid and hollow cylinder and spheres
Forced Convection: 2.2 Convection heat transfer—Newton’s law of convection; free and forces convection; heat transfer during laminar and turbulent flow of an incompressible fluid over a flat plate; concepts of Nusselt number, hydrodynamic and thermal boundary layer their thickness; Prandtl number; analogy between heat and momentum transfer—Reynolds, Colbum, Prandtl analogies; heat transfer during laminar and turbulent flow through horizontal tubes
Natural Convection: free convection from horizontal and vertical plates
Thermal Radiation: 2.3 Black body radiation—basic radiation laws such as Stefan-boltzman, Planck distribution, Wein’s displacement etc
Heat Exchangers: 2.4 Basic heat exchanger analysis; classification of heat exchangers - Engines
- Air-Standard Cycles: 3.1 Classification, themodynamic cycles of operation
Engine Performance: determination of break power, indicated power, mechanical efficiency, heat balance sheet, interpretation of performance characteristics, petrol, gas and diesel engines
Fuels and Combustion: 3.2 Combustion in SI and CI engines, normal and abnormal combustion; effect of working parameters on knocking, reduction of knocking; Forms of combustion chamber for SI and CI engines; rating of fuels; additives; emission; Alternate fuels in IC engines
IC Engine Systems: 3.3 Different systems of IC engines-fuels; lubricating; cooling and transmission systems - Steam Engineering
- Rankine Cycle: 4.1 Steam generation—modified Ranking cycle analysis; 4.3 Rankine cycle with internal and external irreversibility; reheating and regeneration
Steam Boilers: Modern steam boilers; steam at critical and supercritical pressures; draught equipment; natural and artificial draught; boiler fuels solid, liquid and gaseous fuels
Steam Nozzles: 4.2 Steam nozzles—flow of steam in convergent and divergent nozzle pressure at throat for maximum discharge with different initial steam conditions such as wet, saturated and superheated, effect of variation of back pressure; supersaturated flow of steam in nozzles, Wilson line
Steam Turbines: Steam turbines—Principle; types; compounding; impulse and reaction turbines; axial thrust; reheat factor; methods of governing; back pressure and pass out turbines
Combined Cycles and Cogeneration: 4.4 Steam power plants—combined cycle power generation; heat recovery steam generators (HRSG) fired and unfired, co-generation plants - Refrigeration and Air-conditioning
- Vapour Compression Refrigeration: 5.1 Vapour compression refrigeration cycle—cycle on p-H & T-s diagrams; ecofriendly refrigerants—R 134a. 123; Systems like evaporators, condensers, compressor, expansion devices
Vapour Absorption Refrigeration: Simple vapour absorption systems
Psychrometry: 5.2 Psychrometry—properties; processes; charts; sensible heating and cooling; humidification and dehumidification effective temperature
Air Conditioning: air-conditioning load calculation; simple duct design
Free PYQ solutions
One module's previous year questions with full model answers, worked step by step with the figures a topper draws. We send it to you on WhatsApp.
- Open WhatsApp
- Tap the camera
- Scan this code
- Tap Send
Every module, UPSC 2014–2026, topic by topic:
UPSC weightage analytics
Where UPSC has awarded marks, topic by topic. Focus on what scores, and compare your test results once you join.
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