Quick answer: GATE GG 2027 has 65 questions for 100 marks: General Aptitude (15), common Part A (25) and either Part B1 Geology or Part B2 Geophysics (60). The Part B choice is made in the application form. The exam is a Computer Based Test conducted by IIT Madras on 6 to 21 February 2027. MCQs carry negative marking (1/3 or 2/3); MSQ and NAT questions do not. Below is the complete, official GATE GG 2027 syllabus with the section-wise structure, GATE 2026 cutoffs and a preparation plan.
📋 Table of Contents
- GATE GG 2027 overview
- Exam pattern and marks distribution
- Question types and marking scheme
- GATE GG 2027 syllabus (official)
- General Aptitude syllabus
- GATE 2026 cutoff and statistics
- Allowed second papers
- Important dates and eligibility
- Preparation strategy
- What a GATE GG score gets you
- GATE GG course, notes and test series
- FAQs
GATE Geology and Geophysics (GG) 2027: Overview
GATE Geology and Geophysics (GG) is the paper for earth-science students targeting M.Tech, PhD and earth-science recruitment. It has a common Part A (25 marks) and a much larger Part B (60 marks) in either Geology (B1) or Geophysics (B2), and unlike AR, GE and RA, the Part B choice must be made in the application form.
Who usually takes this paper: B.Sc./M.Sc. Geology, Applied Geology, Geophysics and Earth Science students and graduates, and B.Tech. Geological/Geophysical Engineering candidates.
| Particular | Details |
|---|---|
| Exam name | GATE 2027: Geology and Geophysics |
| Paper code | GG |
| Organising institute | IIT Madras |
| Mode | Computer Based Test (CBT), English only |
| Exam dates | 6, 7, 13, 14, 20 and 21 February 2027 (two sessions a day) |
| Duration | 3 hours (4 hours with compensatory time for eligible PwD candidates) |
| Questions / marks | 65 questions / 100 marks |
| Question types | MCQ, MSQ, NAT |
| Calculator | On-screen virtual scientific calculator only |
| Result date | 19 March 2027 |
| Score validity | 3 years |
| Official website | gate2027.iitm.ac.in |
GATE GG 2027 Exam Pattern and Marks Distribution
GATE GG 2027 has 65 questions for 100 marks: General Aptitude (15), common Part A (25) and either Part B1 Geology or Part B2 Geophysics (60). The Part B choice is made in the application form.
| Section | Questions | Marks | Notes |
|---|---|---|---|
| General Aptitude (GA) | 10 | 15 | 5 × 1 mark + 5 × 2 marks |
| Part A (common, compulsory) | 16 | 25 | 7 × 1 mark + 9 × 2 marks |
| Part B1 (Geology) or Part B2 (Geophysics) | 39 | 60 | 18 × 1 mark + 21 × 2 marks; choice made in the application form |
| Total | 65 | 100 | 3 hours, CBT |
Question Types and Marking Scheme
| Question type | What it is | Marks | Negative marking |
|---|---|---|---|
| MCQ | Four options, exactly one correct | 1 or 2 | −1/3 for a 1-mark MCQ, −2/3 for a 2-mark MCQ |
| MSQ | Four options, one or more correct; full marks only for the exact correct combination | 1 or 2 | None (and no partial marks) |
| NAT | Numerical answer typed on a virtual keypad (integer or decimal) | 1 or 2 | None (and no partial marks) |
GATE questions test four abilities: Recall, Comprehension, Application, and Analysis and Synthesis. For NAT answers, round off only at the final step, to the number of decimal places asked in the question.
GATE GG 2027 Syllabus (Official, IIT Madras)
The GATE 2027 syllabus has been revised for most papers, so use this version rather than older lists. Here is the section-wise summary of the GATE GG 2027 syllabus, followed by the complete official topic list as published in Appendix D of the GATE 2027 Information Brochure.
| Part | Topics covered |
|---|---|
| Part A: Common Section | Introduction to Earth and planetary systems; Plate Tectonics; Earth surface processes; Basic structural geology; Mineralogy; Common Igneous; Stratigraphy and Geological time scale; Introduction to remote sensing; Elements of hydrogeology |
| Part B1: Advanced topics in Geology | Geomorphology; Structural Geology; Crystallography and Mineralogy; Geochemistry; Igneous Petrology; Thermodynamics; Sedimentology; Metamorphic Petrology; Paleontology; Stratigraphy; Resource Geology; Engineering Geology; Hydrogeology; Remote Sensing |
| Part B2: Advanced topics in Geophysics | Heat flow; Geodesy; Seismology and Interior of the Earth; Earthquake Seismology; Potential and Time Varying Fields; Gravity; Magnetic Methods; Electrical Methods; Electromagnetic Methods; Seismic Methods; Reservoir Geophysics; Geophysical Signal Processing; Geophysical Well Logging; Geophysical Inversion |
Complete GATE GG 2027 syllabus: topic-wise
Part A: Common Section
This section includes various introductory topics related to geology and geophysics.
Introduction to Earth and planetary systems: Terrestrial planets and moons of the solar system; Concept of isostasy, Internal structure of Earth – elasticity, body and surface waves, propagation of body waves in the Earth’s interior; Heat flow within the Earth; Gravitational field of the Earth; Continental and oceanic crust – composition, structure and thickness.
Plate Tectonics: Type of plate boundaries; Plate motions and driving mechanisms; Processes at plate boundaries – volcanism, seismicity, orogenesis, sea-floor spreading and magnetic anomalies and paleomagnetism, formation of back-arc basins; Continental rifting, mantle plumes, hotspots; Numerical problems related to plate motions.
Earth surface processes: Landforms created by hillslopes, rivers, wind, glaciers, oceans, and volcanoes.
Basic structural geology: Mohr’s circle, stress, strain, and material response; Brittle and ductile deformation; Nomenclature and classification of folds and faults.
Mineralogy: Silicate crystal structure, physical and chemical properties of common rock-forming minerals.
Common Igneous: Sedimentary, and metamorphic-rocks: composition, structure, and formation processes.
Stratigraphy and Geological time scale: Relative and absolute time, Half-life, decay constant, radioactive equilibrium, stratigraphic principles, and major stratigraphic divisions of India; Major metallic ores, coal and petroleum resources of India.
Introduction to remote sensing: Energy sources and radiation principles, atmospheric absorption, interaction of energy with Earth’s surface; Engineering properties of rocks and soils; Natural hazards (landslide, volcanic, seismogenic, coastal) and mitigation; Principles of climate change;
Elements of hydrogeology: Principles and applications of gravity, magnetic, electrical, electromagnetic, seismic, and radiometric methods of prospecting for oil, mineral, and groundwater.
Part B1: Advanced topics in Geology
Geomorphology: Basic geomorphic concepts, Geomorphic processes, and agents; Development and evolution of landforms in continental and oceanic settings; Landscape evolution in response to tectonics, climate, and base-level change. Quaternary geomorphology.
Structural Geology: Stress and strain analysis, deformation mechanisms, primary and secondary structures; Geometry and genesis of planar and linear structures (bedding, cleavage, schistosity, lineation); Folds, faults, joints, and unconformities; Shear zones, thrusts, and superposed folding; Geological maps-interpretation, measurements, and numerical analysis; Stereographic projection.
Crystallography and Mineralogy: Elements of crystal symmetry, form, and twinning; Crystallographic projections; Classification of minerals, physical and optical properties of rock-forming minerals; Mineral nucleation; Mineral chemistry (major, trace, and rare earth elements), cation re-calculations.
Geochemistry: Nucleosynthesis and cosmic abundance of elements; Classification and components of meteorites; Geochemical affinities and distribution of major, minor and trace elements in crust, mantle, and core; Planetary differentiation and geochemical evolution of the earth; Radiogenic (long-lived) isotopic evolution (Rb-Sr, Sm-Nd, U-Th-Pb) of the crust and the mantle, mantle reservoirs; Stable isotope geochemistry (H, O, C), isotope fractionation; geochemical cycles; Elements of high-temperature and low-temperature geochemical thermodynamics; Geochemical and isotopic (C-O, Sr isotopes) composition of river water, groundwater and seawater, residence time, and water-rock interaction; Principles of environmental geochemistry (pH, Salinity,
TDS, BOD, COD).
Igneous Petrology: Classification and textures of common igneous rocks; Mantle melting; Magmatic differentiation; Role of major, trace, and rare earth elements in igneous petrogenesis; Magma evolution, modeling crystallization and melting processes, plate margin volcanism; Intra-plate volcanism and large igneous provinces.
Thermodynamics: Equilibrium, Gibbs free energy; enthalpy, entropy, energy, Clapeyron Equation, Mineral stability and Phase equilibria, Schreinmakers rules; Phase rule; Phase diagrams, Activity-composition; Mineral solid solutions; Enthalpy and entropy of magma crystallization, Binary and ternary phase diagrams in igneous systems; Chemical speciation and equilibrium in natural waters, solubility and precipitation of minerals – saturation index calculations, Eh-pH diagrams and redox equilibria.
Sedimentology: Texture, structure, sedimentary processes, physical principles related to fluid flow; Statistical analysis in sedimentology; Petrology of common sedimentary rocks; Sedimentary facies and environments, cyclicities in sedimentary succession; Provenance and basin analysis.
Metamorphic Petrology: Structures and textures of metamorphic rocks; Extreme metamorphism; Metamorphic facies and grades; Paired metamorphic belts; Mineral reactions and chemographic projections; Metamorphism of pelitic, mafic and impure carbonate rocks; role of bulk compositions and fluids in metamorphism; Thermobarometry; Timing of metamorphism.
Paleontology: Diversity of life through time, mass extinctions- causes and effects; Taphonomy – processes of fossilization. functional morphology of invertebrates (bivalves, brachiopods, gastropods, echinoids, ammonites) and microfossils – (foraminifera, Ostracoda, conodonts, bryozoa); Statistical analysis of morphology; Vertebrate paleontology. Basic concepts of paleoecology; Fossils and paleoenvironments.
Stratigraphy: Principles of stratigraphy, concepts of correlation and their applications in Indian stratigraphy; Quantitative Lithostratigraphy, biostratigraphy, and chronostratigraphy – statistical and probabilistic approaches; Isotope stratigraphy; Principles of sequence stratigraphy and applications; Boundary problems in Indian stratigraphy.
Resource Geology: Ore-mineralogy; Ore forming processes – magmatic, hydrothermal, sedimentary, supergene, and metamorphogenic ores; Fluid inclusions in ore genesis; Coal and petroleum geology; Marine mineral resources; Prospecting and exploration of economic mineral deposits – sampling, ore reserve estimation, geostatistics, and mining methods; Distribution of strategic, essential, and critical minerals and fossil fuel deposits in India.
Engineering Geology: Physico-mechanical properties of rocks and soils; rock index tests; Rock failure criteria (Mohr-Coulomb, Griffith, and Hoek-Brown criteria); Shear strength of rock discontinuities; Rock mass classifications (RMR and Q Systems); in-situ stresses; Geological factors in the construction of engineering structures including dams, tunnels, and excavation sites; Analysis of slope stability.
Hydrogeology: Porosity and permeability; Groundwater storage and aquifer properties; Darcy’s law; Hydraulic conductivity and groundwater flow dynamics; Groundwater exploration, well hydraulics.
Remote Sensing: EM spectrum, multispectral remote sensing in visible, infrared, thermal IR and microwave regions including hyperspectral; Digital processing of satellite images. GIS – basic concepts, raster and vector mode operations; Applications of remote sensing tools and techniques in geology.
Part B2: Advanced topics in Geophysics
Heat flow: Elements of conduction and convection within the mantle and the core, Half-space cooling, calculation of simple geotherms, geothermal gradient, equilibrium geotherms, thermal models in plate tectonics, adiabat, and melting in the mantle.
Geodesy: Gravitational Field of the Earth; Clairaut’s theorem, size and shape of Earth; Geoid; Ellipsoid; Geodetic Reference Systems; Datum; GPS.
Seismology and Interior of the Earth: Variation of density, velocity, pressure, temperature, electrical and magnetic properties of the Earth; Conservation laws, Newton’s law of viscosity, elements of laminar and turbulent flow; Elements of elasticity theory- stress and strain tensors, Generalized Hooke’s Law; Body and Surface Waves; Rotational, dilatational, irrotational, and equivoluminal waves; Reflection and refraction of elastic waves; Inhomogeneous and evanescent waves and bounded waves; Eikonal Equation and Ray theory; Wave propagation in elastic media, Seismic Tomography.
Earthquake Seismology: Earthquakes-causes and measurements, magnitude and intensity, focal mechanisms; Earthquake quantification, source characteristics, seismotectonics and seismic hazards; Digital seismographs, Earthquake statistics, quantifying earthquake source from seismological data; Uniqueness Theorem, Representation Theorems of correlation and convolution type, Reciprocity.
Potential and Time Varying Fields: Scalar and vector potential fields; Laplace, Maxwell and Helmholtz equations for solution of different types of boundary value problems in Cartesian, cylindrical, and spherical polar coordinates; Green’s theorem; Image theory; integral equations in potential and time-varying field theory.
Gravity: The earth as a planet; Absolute and relative gravity measurements; The various corrections for gravity data reduction – free air, Bouguer and isostatic anomalies; density estimates of rocks; Regional and residual gravity separation; Principle of equivalent stratum; Upward and downward continuation; Wavelength filtering; Gravity anomalies and their interpretation – anomalies due to geometrical and irregular shaped bodies, depth rules, calculation of mass.
Magnetic Methods: Geomagnetic field, paleomagnetism; Inclination, declination; Magnetic induction equation – convection, diffusion, Ohm’s law for a moving conductor, frozen flux theorem, magnetic fields of planets in the Solar System, Geodynamo and origin of Earth’s Magnetic field, magnetic susceptibility of rocks and measurements; Various corrections applied to magnetic data, IGRF, Poisson’s relation of gravity and magnetic potential field, upward and downward continuation, magnetic anomalies due to geometrical and irregular shaped bodies; Interpretation of processed magnetic anomaly data; Derivative, analytic signal and Euler Depth Solutions.
Electrical Methods: Conduction of electricity through rocks, electrical conductivities of metals, non-metals, rock-forming minerals and different rocks, concepts of D.C. resistivity measurement and depth of investigation; Apparent Resistivity and Apparent Chargeability, Theory of Reciprocity, Sounding and Profiling, Various electrode arrangements, application of linear filter theory, Sounding curves over multi-layered earth, interpretation of resistivity field data, Principles of equivalence and suppression.
Electromagnetic Methods: Geo-electromagnetic spectrum; Biot Savart’s Law; Maxwell’s Equation, Helmholtz Equation, Basic concept of EM induction in the earth, Skin-depth, elliptic polarization, in-phase and quadrature components, phasor diagrams; Response function and response parameters; Measurements in different source receiver configurations; Earth’s natural electromagnetic methods- tellurics, geomagnetic depth sounding and magnetotellurics; Electromagnetic profiling and Sounding, Time domain EM method; EM scale modelling, processing of EM data and interpretation; Ground Penetrating Radar (GPR) Methods; Effect of conducting overburden.
Seismic Methods: Elastic properties of earth materials; Reflection, refraction, generation, and propagation of elastic waves, velocity – depth models, seismic noise and noise profile analysis, processing, and interpretation; CDP stacking charts, binning, filtering, static and dynamic corrections, Digital seismic data processing, seismic deconvolution and migration methods, attribute analysis, bright and dim spots, seismic stratigraphy, high-resolution seismics, VSP, AVO, multi-component seismics, and seismic interferometry; Kirchhoff migration, Time Reversal, Time-Reversal imaging, Reverse-Time Migration; Representation theorem of cross-correlation and convolution type.
Reservoir Geophysics: Rock Physics and Petrophysics, Failure Criteria, stress concentration, Linear elasticity fracture mechanics, Elastic-Plastic Fracture mechanics; Griffith’s criterion, dynamic fracture mechanics; Lithology and Porosity Estimation; Saturation and Permeability Estimation; application of borehole geophysics in groundwater, mineral, and oil exploration.
Geophysical Signal Processing: Sampling theorem, Nyquist frequency, aliasing, Fourier series, periodic waveform, Fourier and Hilbert transform, Z-transform and wavelet transform; power spectrum, delta function, auto-correlation, cross-correlation, convolution, deconvolution, principles of digital filters, windows, poles, and zeros, Basics of Time-frequency analysis.
Geophysical Well Logging: Principles and techniques of geophysical well-logging, SP, resistivity, induction, gamma ray, neutron, density, sonic, temperature, dip meter, caliper, nuclear magnetic resonance- longitudinal and transverse relaxation, CPMG sequence, porosity characterization, cement bond logging, micro-logs, Quantitative evaluation of formations from well logs.
Geophysical Inversion: Basic concepts of forward and inverse problems, Ill-posedness of inverse problems, condition number, non-uniqueness and stability of solutions; L1, L2, and Lp norms, overdetermined, underdetermined and mixed determined inverse problems, quasi-linear and non-linear methods including Tikhonov’s regularization method, Singular Value Decomposition, Backus-Gilbert method, simulated annealing, genetic algorithms, swarm intelligence, Statistics of misfit and likelihood, Random Variables and Processes, Probability distribution functions – Gaussian, Poissonian, log-normal; Spatial analysis, Hypothesis testing; Bayesian construction of posterior probabilities, sparsity promoting L1 optimization; Ambiguity and uncertainty in geophysical interpretation; PDE constrained optimization, Adjoint-state method.
General Aptitude (GA) Syllabus: 15 Marks, Common to All Papers
| Area | Topics |
|---|---|
| Verbal Aptitude | Basic English grammar, vocabulary (words, idioms, phrases in context), reading comprehension, narrative sequencing |
| Quantitative Aptitude | Data interpretation (graphs, charts, maps, tables), ratios, percentages, powers, exponents, logarithms, permutations and combinations, series, mensuration and geometry, elementary statistics and probability |
| Analytical Aptitude | Deduction and induction, analogy, numerical relations and reasoning |
| Spatial Aptitude | Translation, rotation, scaling, mirroring, assembling and grouping, paper folding, cutting and patterns in 2D and 3D |
GATE GG 2026 Cutoff, Qualifying Marks and Statistics
These are the official GATE 2026 figures for Geology and Geophysics from the GATE 2026 Statistical and Performance Report (IIT Guwahati). They are the best guide to what to expect in GATE GG 2027. Qualifying marks are out of 100; the qualifying GATE score for the general category is always 350.
| Paper | Registered | Appeared | Qualified | Qualified % |
|---|---|---|---|---|
| Geology (B1) | 5,647 | 4,336 | 1,038 | 23.9% |
| Geophysics (B2) | 668 | 519 | 125 | 24.1% |
| Paper | GEN | OBC-NCL / EWS | SC / ST / PwD |
|---|---|---|---|
| Geology (B1) | 39.3 | 35.3 | 26.1 |
| Geophysics (B2) | 37.1 | 33.3 | 24.7 |
| Paper | Highest marks | Mean of top 0.1% (or top 10) | Average marks | Std. deviation |
|---|---|---|---|---|
| Geology (B1) | 84 | 73.97 | 25.44 | 13.95 |
| Geophysics (B2) | 68.33 | 56.93 | 24.7 | 12.49 |
What this means for you: in GATE 2026 the average GG candidate scored 25.44 marks, while the top 0.1% averaged 73.97. Crossing the general qualifying mark of 39.3 puts you in the top 24% of candidates, but admissions to top IITs and PSU interview calls usually need a score far above the qualifying line.
How the qualifying marks and GATE score are calculated
For each paper, the general-category qualifying mark is max(25, min(40, μ + σ)), where μ and σ are the mean and standard deviation of the marks of all candidates who appeared. OBC-NCL/EWS qualifying marks are 90% and SC/ST/PwD qualifying marks are about two-thirds of the general value.
Your GATE score (out of 1000) is computed as Score = 350 + 550 × (M − Mq) / (M̄t − Mq), where M is your marks (normalised marks for multi-session papers), Mq is the general qualifying mark and M̄t is the mean marks of the top 0.1% or top 10 candidates, whichever is larger. A score of 350 corresponds to the qualifying mark and 900 to the top-candidate average.
Which Papers Can Be Combined with GATE GG 2027?
You may appear in one or two GATE papers. As per the tentative list in the GATE 2027 brochure, the second paper allowed with GG as the primary paper is: Geomatics Engineering (GE). The fee for two papers is twice that of one paper.
GATE 2027 Important Dates, Fee and Eligibility
| Event | Date |
|---|---|
| Registration (regular period) | 2 to 27 September 2026 (closed) |
| Extended period with late fee | Up to 12 October 2026 (closed) |
| Special window (late fee) | 15 October 2026, 10:30 AM to 16 October 2026, 10:29 AM (closed) |
| Exam city notification | 4 January 2027 |
| Admit card | To be announced on GOAPS |
| GATE 2027 exam | 6, 7, 13, 14, 20 and 21 February 2027 |
| Result | 19 March 2027 |
Application fee per paper (regular period): ₹1,000 for female, SC, ST and PwD candidates and ₹2,000 for all others; ₹1,500 and ₹2,500 respectively in the extended period and special window.
Eligibility: candidates in the third or higher year of any undergraduate degree, or who have completed a government-approved degree in Engineering, Technology, Architecture, Science, Commerce, Arts or Humanities, are eligible. M.B.B.S./B.D.S./B.V.Sc. students from the fifth semester and M.Sc./M.A./MCA students from the first year are also eligible. There is no age limit. All dates are as per the brochure and subject to change, so always confirm on the official website.
GATE GG 2027 Preparation Strategy
- Decide B1 (Geology) or B2 (Geophysics) carefully: it is locked at the application stage and cannot be changed in the exam hall.
- Part A covers the common earth-science base: planetary systems, plate tectonics, structural geology, mineralogy, stratigraphy and an introduction to geophysical methods.
- For Geology, petrology, structural geology, stratigraphy, economic geology and hydrogeology are the heavy areas.
- For Geophysics, gravity, magnetic, electrical, electromagnetic and seismic methods with their numericals, plus signal processing, form the core.
- GG scores and ranks are given separately for Geology and Geophysics. In 2026, general qualifying marks were 39.3 (Geology) and 37.1 (Geophysics).
- Solve previous GATE papers (2007 to 2026 are available on the official website) section by section, then as timed full-length papers.
- Practise every numerical with the GATE virtual calculator, since no physical calculator is allowed.
- From December, take one full mock a week in the real interface and analyse every mistake, especially negatively marked MCQs.
What Can You Do with a GATE GG 2027 Score?
GATE GG scores are used for M.Tech/PhD admissions in earth sciences and have been used by organisations in the oil, mineral and geoscience sectors for recruitment of geologists and geophysicists.
Under MoE guidelines, admitting institutes give at least 70% weightage to GATE performance for M.Tech admissions with scholarship. Qualifying GATE does not by itself guarantee admission, a scholarship or a job; each institute and employer applies its own criteria.
GATE GG 2027 Course, Notes and Test Series
Get structured guidance for GATE Geology and Geophysics from Piyush Wairale (IIT Madras) on www.piyushwairale.com. Start with the section that is common to every paper, then build your subject preparation:
Best GATE Aptitude Test Series 2027
General Aptitude is 15 of your 100 marks in GATE GG. Topic-wise tests, full GA mocks in the real interface and solved PYQs from 2010 to 2026.
All GATE courses, notes and test series
Browse every GATE course, notes package and test series in the PiyushAI store.
GATE 2027 courses, notes and test series by Piyush Wairale (IIT Madras)
Free lessons on YouTube (@piyushwairaleiitm)
GATE GG 2027: Frequently Asked Questions
What is the GATE GG 2027 exam pattern?
GATE GG 2027 has 65 questions for 100 marks: General Aptitude (15), common Part A (25) and either Part B1 Geology or Part B2 Geophysics (60). The Part B choice is made in the application form. Questions are MCQ, MSQ and NAT, and each carries 1 or 2 marks.
Is there negative marking in GATE GG 2027?
Yes, but only for MCQs. A wrong 1-mark MCQ costs 1/3 mark and a wrong 2-mark MCQ costs 2/3 mark. MSQ and NAT questions have no negative marking, and there is no partial marking for any question.
What was the GATE GG 2026 cutoff?
The GATE 2026 qualifying marks out of 100 were Geology (B1): 39.3 (GEN), 35.3 (OBC-NCL/EWS), 26.1 (SC/ST/PwD); Geophysics (B2): 37.1 (GEN), 33.3 (OBC-NCL/EWS), 24.7 (SC/ST/PwD).
When is the GATE GG 2027 exam?
GATE 2027 will be held on 6, 7, 13, 14, 20 and 21 February 2027 in forenoon (9:30 AM to 12:30 PM) and afternoon (2:30 PM to 5:30 PM) sessions. The paper-wise schedule will be published on the official website, and results are scheduled for 19 March 2027.
Which IIT is conducting GATE 2027?
IIT Madras is the organising institute for GATE 2027. The official website is gate2027.iitm.ac.in.
When must I choose Geology or Geophysics in GATE GG 2027?
At the time of filling the online application form. The choice of Part B1 (Geology) or Part B2 (Geophysics) cannot be changed in the examination hall.
Are GG Geology and Geophysics ranked separately?
Yes. The brochure states that separate score and ranking are provided for GG based on the section selected.
How long is the GATE GG 2027 score valid?
The GATE 2027 score is valid for three years from the date the results are announced.
Sources: GATE 2027 Information Brochure, IIT Madras (gate2027.iitm.ac.in); GATE 2026 Statistical and Performance Report, IIT Guwahati. Last updated 27 October 2026.
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