The Gujarat Subordinate Service Selection Board (GSSSB) has released the official notification for the Junior Geologist Recruitment 2025 under advertisement number 305/2025-26. The recruitment is for the post of Junior Geologist (Class 3), and understanding the GSSSB Geologist Recruitment Syllabus is key to cracking the exam.
This article provides a complete breakdown of the syllabus, exam pattern, eligibility criteria, and expert preparation tips to help you succeed in the GSSSB Geologist recruitment exam.
- GSSSB Geologist Recruitment 2025 – Overview
- GSSSB Geologist Recruitment Syllabus 2025 – Detailed Structure
- Detailed GSSSB Junior Geologist Syllabus (Subject-Wise)
- GSSSB Geologist Exam Pattern 2025
- Eligibility for GSSSB Geologist Recruitment
- Age Criteria (As of 5 June 2025):
- GSSSB JuniorGeologist Salary 2025
- Application Fee for GSSSB Geologist Exam
- How to Apply for GSSSB Junior Geologist Recruitment 2025
- How to Download the Official GSSSB Geologist Syllabus PDF?
- Recommended Books for GSSSB Geologist Preparation
- Preparation Strategy for GSSSB Geologist Recruitment 2025
- Conclusion
GSSSB Geologist Recruitment 2025 – Overview
| Feature | Details |
| Organization | Gujarat Subordinate Service Selection Board (GSSSB) |
| Post Name | Junior Geologist (Class 3) |
| Advertisement Number | 305/2025-26 |
| Vacancies | 11 |
| Application Period | 22 May 2025 to 5 June 2025 |
| Selection Process | Written Exam (OMR/CBRT) |
| Official Websites | ojas.gujarat.gov.in gsssb.gujarat.gov.in |
GSSSB Geologist Recruitment Syllabus 2025 – Detailed Structure
The GSSSB Geologist recruitment exam comprises two parts, focusing on both general aptitude and subject-specific knowledge.
🔹 Part A: General Studies & Aptitude – 60 Marks
This section tests a candidate’s reasoning ability, numerical skills, and data interpretation capabilities.
| Topics | Details |
| Quantitative Aptitude | Number System, Time & Work, Profit & Loss, SI & CI, Averages |
| Logical Reasoning | Coding-Decoding, Series, Blood Relations, Puzzles |
| Data Interpretation | Tables, Graphs, Pie Charts, Bar Graphs |
🔹 Part B: Subject-Specific (Geology) & General Knowledge – 150 Marks
| Topics | Marks | Details |
| Constitution & Current Affairs | 30 | Indian Constitution, Amendments, Current Affairs related to Gujarat |
| Comprehension (Gujarati & English) | – | Reading passages, grammar, vocabulary |
| Geology & Technical Subjects | 120 | Core topics from mineralogy, hydrogeology, remote sensing, etc. |
Detailed GSSSB Junior Geologist Syllabus (Subject-Wise)
1. Mineralogy
- Crystal structures, physical and optical properties
- Classification of minerals
- Common rock-forming minerals
2. Petrology
- Types of rocks: Igneous, Sedimentary, Metamorphic
- Texture and structure of rocks
- Rock cycle and petrogenesis
3. Hydrogeology
- Aquifer properties
- Groundwater flow and hydrologic cycle
- Pumping tests and well hydraulics
4. Geotechnical Engineering
- Soil classification, index properties
- Compaction, permeability, shear strength
- Foundations, slope stability
5. Remote Sensing & GIS
- Fundamentals of remote sensing
- Image interpretation and satellite systems
- GIS applications in geology
6. Environmental Geology
- Natural disasters (earthquakes, floods, landslides)
- Environmental impact of mining
- Groundwater contamination and management
GSSSB Geologist Exam Pattern 2025
| Exam Part | Section | Questions | Marks | Duration |
| Part A | Aptitude, Reasoning, Data Interpretation | 60 | 60 | 3 hours combined |
| Part B | Subject Knowledge & General Awareness | 150 | 150 |
- Total Marks: 210
- Negative Marking: 0.25 mark per wrong answer
- Qualifying Marks: 40% in each part (mandatory)
CHECK LATEST RECRUITMENT AND LAST DATE:
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Eligibility for GSSSB Geologist Recruitment
Educational Qualification:
Candidates must have:
- Postgraduate Degree in Geology or Applied Geology
OR - Bachelor’s Degree in Geo-Technical Engineering
Additional Requirements:
- Basic computer knowledge (as per Gujarat Civil Services Rules)
- Fluency in Gujarati or Hindi
Age Criteria (As of 5 June 2025):
- Minimum: 18 years
- Maximum: 37 years
- Age relaxation is applicable for reserved categories, women, PwD, and ex-servicemen.
GSSSB JuniorGeologist Salary 2025
Candidates selected for the GSSSB Junior Geologist (Class 3) post will receive a fixed monthly salary of ₹49,600/- during the first five years as per Gujarat government norms. After satisfactory completion of the probation period, the pay scale will be revised to ₹44,900 to ₹1,42,400 (Level-8) under the 7th Pay Commission. In addition to the basic pay, other benefits such as DA, HRA, and medical allowances will also be applicable as per government rules.
Application Fee for GSSSB Geologist Exam
The application fee for the GSSSB Geologist Recruitment 2025 varies by category:
- General (Unreserved) Category: ₹500
- Reserved Categories (SC/ST/SEBC/EWS/Women/PwD/Ex-Servicemen): ₹400
The fee must be paid online only via Debit Card, Credit Card, Net Banking, UPI, or Wallet through the official OJAS portal. Candidates who appear for the exam are eligible to get their exam fee refunded, as per the GSSSB rules.
How to Apply for GSSSB Junior Geologist Recruitment 2025
Eligible candidates must apply online through the official OJAS portal from 22nd May 2025 to 5th June 2025 (11:59 PM). Follow these steps to complete your application:
- Visit the OJAS Gujarat website.
- Click on “Apply Online” and select GSSSB as the board.
- Choose Advertisement No. 305/2025-26 – Junior Geologist (Class 3).
- Fill in your personal details, educational qualifications, and category information accurately.
- Upload scanned copies of your passport-size photograph and signature.
- Submit the application form and proceed to pay the application fee.
- Save and print the application form and fee receipt for future reference.
Ensure all information matches your documents. Incorrect or incomplete applications may be rejected during the verification stage.
How to Download the Official GSSSB Geologist Syllabus PDF?
Candidates can download the GSSSB Junior Geologist syllabus PDF from:
Ensure you verify the advertisement number: 305/2025-26 before downloading.
Recommended Books for GSSSB Geologist Preparation
| Book Title | Author / Publisher |
| Engineering & General Geology | Parbin Singh |
| Remote Sensing and GIS | Basudeb Bhatta |
| Environmental Geology | K.S. Valdiya |
| Quantitative Aptitude for Competitive Exams | R.S. Aggarwal |
| Indian Polity | M. Laxmikanth |
Preparation Strategy for GSSSB Geologist Recruitment 2025
Step-by-Step Guide:
- Understand the Exam Format
Analyze the weightage of each section and prioritize accordingly. - Create a Study Schedule
Allocate more time to technical subjects (Part B) while giving daily time to aptitude and GK. - Refer to Standard Textbooks
Stick to M.Sc. or B.Tech level books for geology subjects. Supplement with online courses if needed. - Take Practice Tests
Attempt GSSSB mock tests and previous year papers to improve accuracy and time management. - Stay Updated with Gujarat News
Follow state news and current affairs for scoring high in GK sections. - Revise Regularly
Make short notes and revise every weekend. Focus on diagrams and keywords for geology topics.
Conclusion
The GSSSB Geologist Recruitment Syllabus 2025 is designed to evaluate your technical expertise and general awareness. With a clear understanding of the syllabus, structured exam pattern, and effective preparation, you can maximize your chances of selection.
Stay focused, keep revising, and don’t forget to practice previous papers. Apply early and gear up for one of Gujarat’s most competitive geology positions.
Frequently Asked Questions (FAQs)
The GSSSB Geologist syllabus includes topics from general aptitude (quantitative, reasoning, data interpretation), general awareness (Indian Constitution, current affairs), and subject-specific areas such as mineralogy, petrology, hydrogeology, geotechnical engineering, remote sensing, and environmental geology.
The exam is divided into two parts: Part A (60 marks) for general aptitude and Part B (150 marks) for technical subjects and general knowledge, totaling 210 marks.
Yes, there is a negative marking of 0.25 marks for each incorrect answer in the GSSSB Junior Geologist exam.
Selected candidates will receive a fixed pay of ₹49,600/- per month for the first five years. After that, the pay scale will be revised to ₹44,900 – ₹1,42,400 (Level 8) as per the 7th Pay Commission.
You can apply online via https://ojas.gujarat.gov.in between 22 May 2025 and 5 June 2025 by selecting Advt. No. 305/2025-26 and filling out the application form.
The application fee is ₹500 for unreserved candidates and ₹400 for reserved categories. The fee must be paid online, and candidates who attend the exam are eligible for a refund.
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