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WBPSC Sub Surveyor Syllabus 2026 Exam Pattern
WBPSC Sub Surveyor Syllabus 2026, Exam Pattern, Exam Date 2026
Detail Information about WBPSC has published notification 2026 for the recruitment of Sub Surveyor vacancies. Those Candidates who are Interested to the following vacancy and completed all Eligibility Criteria can read the Notification & Apply Online. In this page we provide the Complete Syllabus of this Recruitment with Latest Update Exam Pattern and the Exam Date also.
WBPSC Sub Surveyor Syllabus 2026 - Overview
WBPSC Sub Surveyor Syllabus 2026
Paper-I Syllabus:-
Bengali/Nepali (Qualifying) :
1. Letter writing
2. Drafting a report
3. Grammar (Bengali/Nepali)
Paper-II Syllabus: -
English :
1. Fundamentals of English Language such as Vocabulary
2. Grammar
3. Composition
4. Synonyms
5. Antonyms
6. Correction of structure of sentence.
Elementary Mathematics :
1. Arithmetic
2. Algebra
3. Geometry
4. Trigonometry
5. Mensuration
Professional knowledge Syllabus (Expected) :
1. Fundamental Principles & Basic Surveying :
Principles of Surveying: Working from whole to part, fixing point positions with respect to reference points, classification of surveys (Plane vs. Geodetic).
Linear Measurements & Chain/Tape Surveying: Direct and indirect ranging, errors and corrections (temperature, pull, sag, slope, absolute length), obstacle crossing, chain triangulation, tie and check lines.
Compass Surveying: Prismatic and Surveyor's compass, magnetic declination, local attraction detection and correction, Whole Circle Bearing (WCB) vs. Reduced Bearing (RB), open and closed traverse.
2. Levelling & Contouring :
Types of Levelling: Differential, profile, cross-sectioning, fly levelling, reciprocal levelling (elimination of curvature, refraction, and collimation errors).
Instruments & Adjustments: Dumpy level, Tilting level, Auto level, temporary and permanent adjustments.
Computations: Height of Instrument (H.I.) method and Rise & Fall method, arithmetic checks.
Trigonometrical Levelling: Indirect levelling, accessible and inaccessible bases, elevations with single and double observations.
Contouring: Characteristics of contour lines, contour interval, horizontal equivalent, methods of locating contours (direct and indirect), interpolation, contour gradient, computation of volumes using trapezoidal and prismoidal formulas.
3. Theodolite Surveying & Traversing :
Transit Theodolite: Essential parts, temporary and permanent adjustments, measurement of horizontal angles (Repetition and Reiteration methods), vertical angles, and bearing determination.
Theodolite Traversing: Consecutive and independent coordinates, latitudes and departures, closing error.
Traverse Adjustment: Bowditch's Rule, Transit Rule, Axis Method, and Gale's Traverse Table.
4. Tachometric & Triangulation Surveying :
Tacheometry: Principles of stadia surveying, analytic lens, determination of constants (K = 100, C = 0), distance and elevation formulas for inclined sights with staff vertical/normal, tangential method.
Triangulation & Trilateration: Classification of triangulation systems (First, Second, Third order), selection of base lines and stations, base line measurement, corrections, well-conditioned triangles, intervisibility of stations.
Theory of Errors & Adjustments: Classification of errors (systematic, accidental), laws of weights, most probable values.
5. Plane Table Surveying :
Accessories & Orientation: Alidade (simple and telescopic), plumbing fork, trough compass; orientation by back-sighting and magnetic needle.
Methods: Radiation, Intersection, Traversing, and Resection.
Two-Point & Three-Point Problems: Mechanical (Tracing paper) method, Bessel’s graphical method, and Lehmann’s trial-and-error rules.
6. Curve Setting (Horizontal & Vertical) :
Simple Circular Curves: Elements (radius, degree of curve, tangent length, length of curve, apex distance), methods of setting out:
* Linear methods (offsets from long chord, successive bisection, offsets from tangents).
* Angular methods (Rankine’s method of tangential angles, two-theodolite method).
Compound and Reverse Curves: Basic geometry and setting-out considerations.
Transition & Vertical Curves: Super-elevation, length of transition curves, summit and valley curves.
7. Modern Survey Techniques & Geomatics (High Weightage) :
Given the core eligibility requirements for the post, modern survey technologies carry high weightage:
Electronic Distance Measurement (EDM): Principles of electro-optical and microwave instruments, phase comparison, modulation.
Electronic Total Station (ETS):
* Working principles, components, setup, and electronic data logging.
* Field operations: Coordinate measurement, Remote Elevation Measurement (REM), Missing Line Measurement (MLM), stake-out (setting out), area computation.
Global Positioning System (GPS) & DGPS:
* Space, control, and user segments; satellite constellation.
* Working principles of GPS/GNSS, Differential GPS (DGPS) technique, RTK (Real-Time Kinematic) surveys, error sources (ionospheric, multipath, clock drift), baseline adjustments.
Geographical Information System (GIS):
* Spatial vs. attribute data, Raster vs. Vector data structures.
* Coordinate systems, Map Projections (UTM, Polyconic), geo-referencing, digitization, topology, spatial analysis, overlay operations.
Aerial Photogrammetry & Remote Sensing:
* Basic principles of aerial photography, scale of vertical photographs, relief displacement, parallax.
* Electromagnetic spectrum (EMS), spectral reflectance of earth surface features (water, vegetation, soil), sensor resolutions.
8. Cadastral Survey, Land Records & Cartography :
Cadastral & Settlement Survey: Principles of revenue/cadastral surveys, demarcation of mouza/plot boundaries, preparation and maintenance of Record of Rights (RoR).
Digital Land Records: Modern digitization under the Digital India Land Records Modernisation Programme (DILRMP).
Cartography & Map Reproduction: Scale selection, map numbering systems (Survey of India topo-sheets), conventional signs and symbols, map compilation, plotting techniques.
WBPSC Sub Surveyor Exam Pattern 2026
Paper 1 Exam Pattern :- (Conventional Type Questions)
Duration : 60 Minutes
Paper 2 Exam Pattern :- (Objective Type Questions)
Duration : 150 Minutes
Negative Marking : 0.25
Exam Date 2026 : Notified Soon
Starting Date of Application Form : 20th October 2026
Last Date of Application Form : 09th November 2026
Total Post : 1145
WBPSC Sub Surveyor Syllabus 2026 - Overview
| Organisation Name | West Bengal Public Service Commission, (WBPSC) |
| Department Name | Directorate of Land Records & Surveys |
| Advertisement No. | 22/2024 |
| Post Name | Sub-Surveyor |
| Total Post | 1145 |
| Mode of Application | Online |
| Category | Syllabus and Exam Pattern |
| Job Location | West Bengal |
| Official Website | psc.wb.gov.in |
WBPSC Sub Surveyor Syllabus 2026
Paper-I Syllabus:-
Bengali/Nepali (Qualifying) :
1. Letter writing
2. Drafting a report
3. Grammar (Bengali/Nepali)
Paper-II Syllabus: -
English :
1. Fundamentals of English Language such as Vocabulary
2. Grammar
3. Composition
4. Synonyms
5. Antonyms
6. Correction of structure of sentence.
Elementary Mathematics :
1. Arithmetic
2. Algebra
3. Geometry
4. Trigonometry
5. Mensuration
Professional knowledge Syllabus (Expected) :
1. Fundamental Principles & Basic Surveying :
Principles of Surveying: Working from whole to part, fixing point positions with respect to reference points, classification of surveys (Plane vs. Geodetic).
Linear Measurements & Chain/Tape Surveying: Direct and indirect ranging, errors and corrections (temperature, pull, sag, slope, absolute length), obstacle crossing, chain triangulation, tie and check lines.
Compass Surveying: Prismatic and Surveyor's compass, magnetic declination, local attraction detection and correction, Whole Circle Bearing (WCB) vs. Reduced Bearing (RB), open and closed traverse.
2. Levelling & Contouring :
Types of Levelling: Differential, profile, cross-sectioning, fly levelling, reciprocal levelling (elimination of curvature, refraction, and collimation errors).
Instruments & Adjustments: Dumpy level, Tilting level, Auto level, temporary and permanent adjustments.
Computations: Height of Instrument (H.I.) method and Rise & Fall method, arithmetic checks.
Trigonometrical Levelling: Indirect levelling, accessible and inaccessible bases, elevations with single and double observations.
Contouring: Characteristics of contour lines, contour interval, horizontal equivalent, methods of locating contours (direct and indirect), interpolation, contour gradient, computation of volumes using trapezoidal and prismoidal formulas.
3. Theodolite Surveying & Traversing :
Transit Theodolite: Essential parts, temporary and permanent adjustments, measurement of horizontal angles (Repetition and Reiteration methods), vertical angles, and bearing determination.
Theodolite Traversing: Consecutive and independent coordinates, latitudes and departures, closing error.
Traverse Adjustment: Bowditch's Rule, Transit Rule, Axis Method, and Gale's Traverse Table.
4. Tachometric & Triangulation Surveying :
Tacheometry: Principles of stadia surveying, analytic lens, determination of constants (K = 100, C = 0), distance and elevation formulas for inclined sights with staff vertical/normal, tangential method.
Triangulation & Trilateration: Classification of triangulation systems (First, Second, Third order), selection of base lines and stations, base line measurement, corrections, well-conditioned triangles, intervisibility of stations.
Theory of Errors & Adjustments: Classification of errors (systematic, accidental), laws of weights, most probable values.
5. Plane Table Surveying :
Accessories & Orientation: Alidade (simple and telescopic), plumbing fork, trough compass; orientation by back-sighting and magnetic needle.
Methods: Radiation, Intersection, Traversing, and Resection.
Two-Point & Three-Point Problems: Mechanical (Tracing paper) method, Bessel’s graphical method, and Lehmann’s trial-and-error rules.
6. Curve Setting (Horizontal & Vertical) :
Simple Circular Curves: Elements (radius, degree of curve, tangent length, length of curve, apex distance), methods of setting out:
* Linear methods (offsets from long chord, successive bisection, offsets from tangents).
* Angular methods (Rankine’s method of tangential angles, two-theodolite method).
Compound and Reverse Curves: Basic geometry and setting-out considerations.
Transition & Vertical Curves: Super-elevation, length of transition curves, summit and valley curves.
7. Modern Survey Techniques & Geomatics (High Weightage) :
Given the core eligibility requirements for the post, modern survey technologies carry high weightage:
Electronic Distance Measurement (EDM): Principles of electro-optical and microwave instruments, phase comparison, modulation.
Electronic Total Station (ETS):
* Working principles, components, setup, and electronic data logging.
* Field operations: Coordinate measurement, Remote Elevation Measurement (REM), Missing Line Measurement (MLM), stake-out (setting out), area computation.
Global Positioning System (GPS) & DGPS:
* Space, control, and user segments; satellite constellation.
* Working principles of GPS/GNSS, Differential GPS (DGPS) technique, RTK (Real-Time Kinematic) surveys, error sources (ionospheric, multipath, clock drift), baseline adjustments.
Geographical Information System (GIS):
* Spatial vs. attribute data, Raster vs. Vector data structures.
* Coordinate systems, Map Projections (UTM, Polyconic), geo-referencing, digitization, topology, spatial analysis, overlay operations.
Aerial Photogrammetry & Remote Sensing:
* Basic principles of aerial photography, scale of vertical photographs, relief displacement, parallax.
* Electromagnetic spectrum (EMS), spectral reflectance of earth surface features (water, vegetation, soil), sensor resolutions.
8. Cadastral Survey, Land Records & Cartography :
Cadastral & Settlement Survey: Principles of revenue/cadastral surveys, demarcation of mouza/plot boundaries, preparation and maintenance of Record of Rights (RoR).
Digital Land Records: Modern digitization under the Digital India Land Records Modernisation Programme (DILRMP).
Cartography & Map Reproduction: Scale selection, map numbering systems (Survey of India topo-sheets), conventional signs and symbols, map compilation, plotting techniques.
WBPSC Sub Surveyor Exam Pattern 2026
Paper 1 Exam Pattern :- (Conventional Type Questions)
Duration : 60 Minutes
| S.No | Subject | Marks | Duration |
| 1 | Bengali/Nepali (Qualifying) | 50 | 01 Hour |
| Total | 50 | 01 Hour |
Paper 2 Exam Pattern :- (Objective Type Questions)
Duration : 150 Minutes
Negative Marking : 0.25
| S.No | Subject | No.of Question | Marks |
| 1 | English | 50 | 50 |
| 2 | Elementary Mathematics | 50 | 50 |
| 3 | Survey Engineering | 100 | 100 |
| Total | 200 | 200 |
Exam Date 2026 : Notified Soon
Starting Date of Application Form : 20th October 2026
Last Date of Application Form : 09th November 2026
Total Post : 1145
FAQs
Wbpsc Sub Surveyor 2026 Exam Syllabus Frequently Asked Questions (FAQ's)
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In this article Page, we have provided the required syllabus of the WBPSC Sub Surveyor exam.
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