BSF Sub Inspector Syllabus & Exam Pattern PDF

BSF Sub Inspector Syllabus , Border Security Force BSF Syllabus to know the detailed Border Security Force BSF Syllabus with weightage, marks distribution, important chapters and more. Check out the detailed Railway BSF syllabus for both Prelims and Mains along with Border Security Force BSF exam pattern.

BSF Sub Inspector Syllabus PDF

Exam Name BSF Sub Inspector (GD)
Conducting Body Border Security Force
Application Form Release See Official website
Application Form Ends See Official website
Category Syllabus
Official Website

BSF Sub Inspector Syllabus PDF

Selection Process for BSF SI GD Recruitment @

Candidates who have applied must check RPF Sub Inspector Jobs Selection Process in the following sections:

  1. Checking of Service Records
  2. Written Test
  3. Physical Measurement
  4. Physical Efficiency Test (PET)
  5. Medical Examination

BSF SI GD Written Exam Pattern

S No. Subjects Total Marks Total Questions
1 General Knowledge & Awareness 25 25
2 Reasoning Ability 25 25
3 Numerical Ability 25 25
4 Trade Awareness 25 25
Total 100 100

Syllabus for Paper 1

Subjects Topics
General Intelligence and Reasoning
  • Analogies, similarities, differences, space visualization, problem-solving, analysis, judgments, decision making, visual memory, discrimination, observation, relationship concepts, arithmetical reasoning, verbal and figure classification, arithmetical number series, etc.
  • The test will also include questions designed to test the candidate’s abilities to deal with abstract ideas and symbols and their relationships, arithmetical computations, and other analytical functions.
General Awareness
  • Questions will be aimed at testing the candidate’s general awareness of the environment around him/her and its application to society.
  • Questions will also be designed to test knowledge of current events and of such matters of everyday observation and experience in their scientific aspect as may be expected of any educated person.
  • The test will also include questions relating to India and its neighboring countries especially pertaining to History, Polity, Geography, Economic Scene, General Culture, Scientific Research, etc. These questions will be such that they do not require a special study of any discipline.
General Engineering (Civil) Building Materials, Estimating, Costing and Valuation, Surveying, Soil Mec Engineering, Transportation Engineering, Environmental engineering.
General Engineering (Electrical) Basic concepts, Circuit law, Magnetic Circuit, AC Fundamentals, Measurement and Measuring instruments, electrical machines, Fractional Kilowatt Motors and single-phase induction motors, Synchronous Machines, Generation, Transmission and Distribution, estimator and Costing, Utilization and Electrical energy, Basic Electronics.

Check BSF SI Result details here.

Syllabus for Paper 2

Subjects Topics
Sub-Inspector (Works) Building Materials Physical and Chemical properties, classification, standard tests, uses and manufacture/quarrying of materials e.g. building stones, silicate-based materials, cement (Portland), asbestos products, timber, and wood-based products, laminates, bituminous materials, paints, varnishes.
Estimating, Costing, and Valuation Estimate, glossary of technical terms, analysis of rates, methods, and unit of measurement, Items of work- earthwork, Brickwork (modular & Traditional bricks), RCC work, Shuttering, Timber work, Painting, Flooring, Plastering. Boundary wall, Brick building, Water tank, Septic tank, Bar bending schedule, Centre line method, Mid-section formula, Trapezoidal formula, Simpson’s rule. Cost estimate of Septic tank, flexible pavements, Tube well, isolates and combined footings, Steel Truss, Piles, and pile-caps. Valuation – value and cost, scrap value, salvage value, assessed value, sinking fund, depreciation and obsolescence, methods of valuation
Surveying Principles of surveying, measurement of distance, chain surveying, working of prismatic compass, compass traversing, bearing, local attraction, plane table surveying, theodolite traversing, adjustment of theodolite, Levelling Definition of terms used in levelling, contouring, curvature and refraction corrections, temporary and permanent adjustments of dumpy level, methods of contouring, uses of contour map, tachometric survey, curve setting, earth work calculation, advanced surveying equipment.
Soil Mechanics Origin of soil, phase diagram, Definitions-void ratio, porosity, degree of saturation, water content, specific gravity of soil grains, unit weights, density index and interrelationship of different parameters, Grain size distribution curves and their uses, Index properties of soils, Atterberg’s limits, ISI soil classification and plasticity chart. Permeability of soil, coefficient of permeability, determination of coefficient of permeability, Unconfined and confined aquifers, effective stress, quick sand, consolidation of soils, Principles of consolidation, Degree of consolidation, Pre-consolidation pressure, normally consolidated soil, e-Log p curve, computation of ultimate settlement. Shear strength of soils, Direct shear test, Vane shear test, Triaxial test. Soil compaction, Laboratory compaction test, Maximum dry density and optimum moisture content, earth pressure theories, active and passive earth pressures, Bearing capacity of soils, plate load test, standard penetration test.
Hydraulics Fluid properties, Hydrostatics, measurements of flow, Bernoulli’s theorem and its application flow through pipes, flow in open channels, weirs, flumes, spillways, pumps and turbines.
Irrigation Engineering Definition, necessity, benefits, 211 effects of irrigation, types and methods of irrigation, Hydrology – Measurement of rainfall, run off coefficient, rain gauge, losses from precipitation – evaporation infiltration, etc. Water requirement of crops, duty delta and base period, Kharif and Rabi Crops, Command area, Time factor, crop ratio, overlap allowance, Irrigation efficiencies, Different type of canals, types of canal irrigation, loss of water in canals. Canal lining – types and advantages. Shallow and deep to wells, yield from a well. Weir and barrage, Failure of weirs and permeable foundation, Slit and scour, Kennedy’s theory of critical velocity. Lacey’s theory of uniform flow. Definition of flood, causes and effects, methods of flood control, water logging, preventive measure. Land reclamation, Characteristics of affecting fertility of soils, purposes, methods, description of land and reclamation processes. Major irrigation projects in India.
Transportation Engineering Highway engineering – cross sectional elements, Geometric design, Types of pavements, pavements materials – aggregates and bitumen, different tests, Design of flexible and rigid pavements – Water Bound Macadam (WBM) and wet Mix Macadam (WMM), Gravel Road, Bituminous construction, Rigid pavement joint, pavement maintenance, Highway drainage, Railway Engineering – Components of permanent way – Sleepers, ballast, fixtures and fastening track geometry, points and crossings, track junction, stations and yards. Traffic Engineering – Different traffic survey, Speed-flowdensity and their interrelationships, intersections and interchanges, traffic signals, traffic operation, traffic signs and marking, road safety.
Environmental Engineering Quality of water, source of water supply, purification of water, distribution of water, need of sanitation, sewerage systems, circular sewer, oval sewer, sewer appurtenances, sewage treatments. Surface water drainage. Solid waste management – types, effects, engineered management system. Air pollution – Pollutants, causes, effects, control. Noise pollution – cause, health effects, control.
Junior engineering Sub-inspector (Electrical) Basic Concepts Concepts of resistance, inductance, capacitance and various factors affecting them. Concepts of current, Voltage, Power, energy and their units
Circuit Law Kirchhoff’s law, Simple Circuit solution using network theorems.
Magnetic Circuit Concepts of flux, mmf, reluctance, Different kinds of magnetic materials, Magnetic calculations for conductors of different configurations e.g. straight, circular, solenoidal, etc. Electromagnetic induction, self, and mutual induction.
AC Fundamentals Instantaneous, peak, R.M.S. and average values of alternating waves, Representation of sinusoidal wave form, simple series and parallel AC Circuits consisting of R.L. and C, Resonance, Tank Circuit. Poly Phase system -star and delta connection, 3 Phase power, DC and sinusoidal response of R-Land R-C circuit.
Measurement and measuring instruments Measurement of power (1 phase and 3 phase, both active and re-active) and energy, 2 wattmeter method of 3 phase power measurement. Measurement of frequency and phase angel. Ammeter and voltmeter (both moving oil and moving iron type), extension of range wattmeter, Multi meters, Megger, Energy meter AC Bridges. Use of CRO, Signal Generator, CT, PT and their uses. Earth Fault detection.
Electrical Machines (a) D.C. Machine – Construction, Basic Principles of D.C. motors and generators, their characteristic, speed control and starting of D.C. Motors. Method of braking motor, Losses and efficiency of D.C. Machines

(b) 1 phase and 3 phase transformers – Construction .Principles of operation, equivalent circuit, voltage regulation, O.C. and S.C. Tests, Losses and efficiency. Effect of voltage, frequency and wave form on losses. Parallel operation of 1 phase / 3 phase transformers. Auto transformers

(c) 3 phase induction motors, rotating magnetic field, principle of operation, equivalent circuit, torque-speed characteristics, starting and speed control of 3 phase induction motors. Methods of braking, effect of voltage and frequency variation on torque speed characteristics, starting and speed control of 3 phase induction motors. Methods of braking, effect of voltage and frequency variation on torque speed characteristics.

Fractional Kilowatt Motors and Single phase Induction Motors Characteristics and applications.
Synchronous Machines Generation of 3 phases e.m.f. armature reaction, voltage regulation, parallel operation of two alternators, synchronizing, control of active and reactive power. Starting and applications of synchronous motors.
Generation, Transmission and Distribution Different types of power stations, Load factor, diversity factor, demand factor, coast of generation, inter-connection of power stations. Power factor improvement, various types of tariffs, types of faults, short circuit current for symmetrical faults. Switchgears – rating of circuits breakers, Principles of arc extinction by oil and air, H.R.C. Fuses, Protection against earth leakage / over current, etc. Buchholtz reply, Merz – Price system of protection of generators & transformers, protection of feeders and bus bars. Lightning arresters, various transmission and distribution system, comparison of conductor materials, efficiency of different system. Cable- Different type of cables, cable rating and derating factor.
Estimation and costing Estimation of lighting scheme, electric installation of machines and relevant IE rules. Earthing practices and IE rules
Utilization of electrical Energy Illumination, Electric heating, Electric welding, Electroplating, Electric drives and motors
Basic Electronics Working of various electronic devices e.g. P N Junction diodes, Transistors (NPN and PNP type), BJT and JFET. Simple circuits using these devices.

BSF SI Exam Pattern 2023

The written exam will consist of two papers. Paper 1 will have 3 different subjects while Paper 2 will have 1 subject as per the post listed below. The BSF SI Exam Pattern is mentioned below in tabular format.

Paper 1

This paper will be common for the posts of Sub-Inspector (Works) and Junior engineering Sub-inspector (Electrical).

Part Subject Nos of Questions Marks Duration
Part A General intelligence & Reasoning 25 25 01 Hrs 30 Minutes
Part B General awareness 25 25
Part C General Engineering (Civil/Electrical) 50 50
Total 100 100

Paper 2

This paper will be based on the subjects chosen for the posts of Sub-Inspector (Works) and Junior engineering Sub-inspector (Electrical).

Subject Nos of Questions Marks Duration
General Engineering (Civil) for Sub-Inspector (Works) OR General Engineering (Electrical) for JE/SI (Electrical) 10 out of 12 100 2 hours

BSF SI Exam Pattern 2023 (Technical)

The BSF SI Technical Exam Pattern consists of various sections to be asked in the examination. The detailed BSF SI exam pattern is described in the table below.

Part Subjects Total Marks Total Questions Duration
Part A General English 20 20 2 hours
Part B General Awareness 20 20
Part C Technical Subjects 60 60
Total 100 100 2 hours

BSF SI Physical Eligibility Test

After clearing the. written examination, a candidate has to go through the Physical and Medical Standards of the recruitment process. Listed below is the Physical Standard, that a candidate has to clear in order to reach the next stage of the examination.

Categories Minimum Height Minimum Chest
Schedule Tribes/Adivasis of all states and Union Territories including Nagas & Mizos 160 Cms 73 cms (Unexpanded)

78 cms (Expanded)

Person belonging to

(i) Hilly areas of Garhwal, Kumaon, Himachal Pradesh, Sikkim, Leh & Ladakh, & North Eastern States.

(ii) State of Kerala, Karnataka, Tamil Nadu, Maharashtra, Andhra Pradesh & Goa.

(iii) Union Territory of Pondicherry, Lakshadweep,

Daman & Diu & Andaman & Nicobar Islands

(iv) Dogras

162.5 Cms 75 cms (Unexpanded)

80 cms (Expanded)

Person belonging to other States and Union Territories 165 Cms 75 cms (Unexpanded)

80 cms (Expanded)

BSF SI Medical Test

The medical standards required are mentioned in the table below-

Visual Acuity unaided (Near vision) Uncorrected Visual Acuity (Distant Vision) Refraction
Better Eye Worse Eye Better Eye Worse Eye
N6 N9 6/6 6/9 Visual correction any kind is permitted even by glasses

BSF SI Syllabus Faq

What are the four sections of the BSF SI syllabus?

The four sections of the BSF SI syllabus are:

  • General Awareness
  • Reasoning Ability
  • Numerical Ability
  • Trade Awareness (specific to the trade applied for)

What are the topics covered in the General Awareness section?

The General Awareness section of the BSF SI syllabus covers a wide range of topics, including:

  • History
  • Geography
  • Polity
  • Indian Constitution
  • Culture
  • Current Affairs
  • Science and Technology
  • Books and Authors
  • Important dates and events
  • IT and Space

What are the topics covered in the Reasoning Ability section?

The Reasoning Ability section of the BSF SI syllabus covers a variety of topics, including:

  • Analogies
  • Similarities and differences
  • Space visualization
  • Problem-solving
  • Analysis
  • Judgments
  • Decision making
  • Visual memory
  • Discrimination
  • Observation
  • Relationship concepts
  • Arithmetical reasoning
  • Verbal and figure classification
  • Arithmetical number series

What are the topics covered in the Numerical Ability section?

The Numerical Ability section of the BSF SI syllabus covers a variety of topics, including:

  • Basic arithmetic
  • Percentages
  • Ratio and proportion
  • Mensuration
  • Time and work
  • Simple and compound interest
  • Profit and loss
  • Mixtures and alligations
  • Data interpretation

What are the topics covered in the Trade Awareness section?

The Trade Awareness section of the BSF SI syllabus varies depending on the trade applied for. However, some common topics that may be covered include:

  • Building materials
  • Estimating
  • Costing and valuation
  • Surveying
  • Soil mechanics engineering
  • Transportation engineering
  • Environmental engineering
  • Basic concepts of electrical engineering
  • Circuit law
  • Magnetic circuit
  • AC fundamentals
  • Measurement and measuring instruments
  • Electrical machines
  • Fractional kilowatt motors and single-phase induction motors
  • Synchronous machines
  • Generation, transmission and distribution
  • Utilization and electrical energy
  • Basic electronics

I hope this answers your questions about the BSF SI syllabus. Please let me know if you have any other questions