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SECL Telecom Free Mock Test
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SECL Telecom/Radio Mechanic T&S Grade D Syllabus 2026, Exam Pattern
SECL Telecom/Radio Mechanic T&S Grade D Syllabus 2026, Exam Pattern, Exam Date 2026
Detail Information about South Eastern Coalfields Limited (SECL) has published notification 2026 for the recruitment of Telecom/Radio Mechanic T&S Grade D 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.
SECL Syllabus 2026 - Overview
| Organization Name | South Eastern Coalfields Limited (SECL) |
| Post Name |
Telecom/Radio Mechanic T&S Grade D
|
| No of Posts | 65 |
| Application Mode | Online |
| Category | Syllabus and Exam Pattern |
| Official Website | secl-cil.in |
SECL Telecom/Radio Mechanic T&S Grade D Syllabus 2026
Subject Knowledge - Telecom/Radio Mechanic T&S Grade D :
1. Wi-fi modem, broadband modem, Media convertor, DSL modem
2. Types of electronics displays.
3. Measuring devices- Ammeter, Voltmeter, Multimeter, Megger, tong tester, soldering.de-soldering and its uses.
4. Tools-Krone, current tester, Allen key, jacks, vacuum cleaner, soldering de-soldering irons and its uses.
5. Power supply equipment's - SMPS, Stabilizer, CVT, UPS, isolation transformer, charger, adopter, invertors.
6. Different type of batteries.
7. Communication cables (CAT5, CAT6, PVC Armoured cable, Jelly filled cable, drop wire, jumper wire).
8. Personal computers and its peripherals, data storage devices.
9. Types of chargers used in different type of telecom and electronic equipment's.
10. Protective devices- Fuses, circuit breakers, lightning arrestor.
11. Various types of wireless communication, OFC networks, RFID-Boom Barriers, GPS Based Vehicle Tracking System, CCTV cameras, and its components.
12. Computer Network Basics, IP Address System, Hardware and Software related to Video Conferencing, Mobile Communications, electronics & telecom related machines etc.
13. Earth pit and its uses.
14. Benefits of Internet and e-mail.
Mental Ability/Quantitative ability logical & reasoning skill :
Quantitative Aptitude :
1. Simplification and Approximation
2. Number Series
3. Data Interpretation (Tables, Graphs, Charts)
4. Ratio and Proportion
5. Percentages
6. Profit and Loss
7. Time and Work
8. Time, Speed, and Distance
9. Averages
10. Simple and Compound Interest
11. Mensuration
12. Permutation and Combination
13. Probability
Logical Reasoning :
1. Puzzles (Seating Arrangement, Floor-based, etc.)
2. Coding-Decoding
3. Blood Relations
4. Direction Sense
5. Syllogism
6. Inequalities
7. Alphabet Series
8. Ranking and Order
9. Statement and Conclusion
10. Statement and Assumption
11. Data Sufficiency
General Awareness & Knowledge regarding CIL/SECL, State (CG&MP)
General Knowledge :
1. National and International News
2. Government Schemes and Policies
3. Sports Events and Achievements
4. Political Developments
5. Economic and Financial News
6. Geography
7. History
8. General Polity
9. Environmental Issues
10. Awards and Honors
11. Science and Technology Updates
12. Important Days and Events
13. Summits and Conferences
Knowledge regarding CIL/SECL, State (CG&MP)
1. Core Technical Knowledge (Telecom/Electronics) :
Communication Systems: Analog and digital communication, modulation techniques, multiplexing (TDM/FDM), and microwave communication.
Networking: Basics of computer networks, OSI layers, IP addressing, TCP/IP, and LAN/WAN configurations.
Telephony & Switching: EPABX systems, optical fiber communication (OFC) basics, and satellite communication fundamentals.
Instrumentation: Sensors, transducers, and signal conditioning used in mining environments.
Industrial Electronics: Power electronics, microprocessors, and microcontrollers.
2. Coal India Limited (CIL) & SECL Overview :
Organizational Hierarchy: Understand that SECL is a "Miniratna" subsidiary of Coal India Limited (CIL), which is a "Maharatna" company.
Industry Role: Familiarize yourself with the core functions of SECL: coal extraction, processing, and distribution.
Major Operations: SECL operates extensively in the Korba Coalfields (Chhattisgarh), which is one of India's largest coal-producing regions.
Key Departments: Be aware of the inter-departmental functions, such as Marketing, Material Management, and Electronics & Telecommunication, which coordinate the digital and operational infrastructure of the mines.
3. Regional Knowledge (Chhattisgarh & Madhya Pradesh) :
Geography: Major coalfields (e.g., Hasdeo-Arand, Korba), river basins (e.g., Mahanadi, Sone), and key industrial hubs in CG and MP.
Infrastructure: Significant rail-connectivity projects managed by subsidiaries like the Chhattisgarh East Railway Limited (CERL).
Current Affairs: Awareness of state-level initiatives regarding energy, mining policy, and environmental regulations (e.g., FSSAI/Environmental clearances as they pertain to industrial mining zones).
SECL Telecom/Radio Mechanic T&S Grade D Exam Pattern 2026
Duration : 120 Minutes
| S.No. | Subject | No.of Question | Marks |
| 1. | Subject Knowledge | 60 | 60 |
| 2. | Mental Ability/Quantitative ability logical & reasoning skill | 20 | 20 |
| 3. | General Awareness & Knowledge regarding CIL/SECL, State (CG&MP) | 20 | 20 |
| Total | 100 | 100 |
Exam Date : Notified Soon
Starting Date of Application Form : 11th June 2026
Last Date of Application Form : 01st July 2026
Total Post : 65
SECL Telecom/Radio Mechanic T&S Grade D Exam Free Online Test Series
Crack SECL Telecom/Radio Mechanic T&S Grade D Mock Test 2026 with the help of Online Test Series or Free Mock Test. Every Sample Paper in South Eastern Coalfields Limited Exam has a designated weightage so do not miss out any Paper. Practice for SECL Telecom Mock Test and check your test scores.
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SECL Telecom/Radio Mechanic T&S Grade D Exam - Hindi100 questions • 120 mins • 100 marks
Free Test →2
SECL Telecom/Radio Mechanic T&S Grade D Exam - English100 questions • 120 mins • 100 marks
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SECL Telecom question answer with solutions are available in Hindi & English. Join MCQ, Important Questions, Question Bank, questions and answers for Free SECL Telecom exam preparation.
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SECL Telecom/Radio Mechanic T&S Grade D Exam - Hindi100 questions • 120 mins • 100 marks
Free Questions →2
SECL Telecom/Radio Mechanic T&S Grade D Exam - English100 questions • 120 mins • 100 marks
Free Questions →Combo Offers
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5. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
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5. 1000 (+) GK MCQ with Answer PDF Book in English.
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Combo - 5 (Hindi)
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5. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
6. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
2. Question Bank - 2000 Questions with Answer.
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Combo - 6 (English)
1. Online Mock Test Series in English = 13 Tests.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of SECL Telecom (1000 MCQ) PDF Format in English.
5. 1500 (+) Current Affairs MCQ with Answer PDF in English.
6. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of SECL Telecom (1000 MCQ) PDF Format in English.
5. 1500 (+) Current Affairs MCQ with Answer PDF in English.
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₹771₹931
FAQs
Secl Telecom/radio Mechanic T&s Grade D 2026 Free Mock Test Frequently Asked Questions (FAQ's)
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