DRDO Senior Technical Assistant 'B' Recruitment 2026

Quick Summary: Attention all science graduates and engineering diploma holders! The prestigious Defence Research and Development Organisation (DRDO) has just dropped a golden opportunity with its Senior Technical Assistant 'B' (STA 'B') Recruitment for 2026. This is your chance to contribute to cutting-edge defence technology and embark on a rewarding career with one of India's premier scientific organizations. With a substantial number of vacancies across various disciplines and an attractive salary package, this notification is a beacon for aspirational minds. If you meet the eligibility criteria, mark your calendars and prepare to apply online for a challenging yet incredibly fulfilling role in nation-building!

### How to Apply Hello Aspirants! Here's your definitive guide to successfully submitting your application for the DRDO Senior Technical Assistant 'B' posts. Follow these steps meticulously to ensure a smooth application process: 1. **Read the Official Notification Thoroughly**: Before even thinking about clicking 'Apply Online', make it a point to download and read the comprehensive official notification from the RAC website (rac.gov.in). Understand the eligibility criteria, post-specific requirements, age limits, fee structure, and important dates. This is your blueprint for success! 2. **New User Registration**: If you are a first-time applicant on the RAC portal, you'll need to register. Click on the 'New Registration' link and provide your basic details like name, date of birth, email ID, and mobile number. Ensure these details are accurate as they cannot be changed later and will be used for all future communications. 3. **Login to Your Account**: After successful registration, you will receive a registration ID and password (or an OTP) on your registered email/mobile. Use these credentials to log in to the online application portal. 4. **Fill the Application Form**: Proceed to fill out the detailed application form. This will include personal particulars, educational qualifications (starting from 10th standard up to your Bachelor's Degree/Diploma), work experience (if any), and other relevant information. Double-check every field for accuracy. Any discrepancies might lead to rejection later. 5. **Upload Documents**: This is a critical step. You'll need to upload scanned copies of your recent passport-sized photograph, signature, and required certificates (educational, caste, PWD, EWS, etc.). Pay close attention to the specified file size and format (e.g., JPG/JPEG, PDF). An unclear photo or signature can invalidate your application. 6. **Pay Application Fee**: Once all details are filled and documents uploaded, proceed to pay the application fee online. The fee can generally be paid through Net Banking, Debit Card, Credit Card, or UPI. Remember, SC/ST/PwBD and Female candidates are typically exempted from paying the fee. Always keep a transaction receipt for your records. 7. **Review and Submit**: Before final submission, take a moment to thoroughly review your entire application. Check for any errors, typos, or missing information. Once satisfied, click the 'Submit' button. Remember, after submission, you usually cannot make any changes. 8. **Print Application Form**: After successful submission, a confirmation page will appear. Download and print a copy of your filled application form for future reference. This document will be crucial during document verification. ### Detailed Exam Syllabus The selection process for DRDO Senior Technical Assistant 'B' typically involves two tiers: **Tier-I: Computer Based Test (CBT)** This will be a common examination for all disciplines, focusing on general aptitude and a discipline-specific section. The CBT is usually objective type with multiple-choice questions. * **Section A: General Aptitude (Approximately 50 questions - 50 marks)** * **Quantitative Aptitude**: Number Systems, Simplification, Decimals, Fractions, LCM & HCF, Ratio & Proportion, Percentage, Profit & Loss, Simple & Compound Interest, Time & Work, Speed, Time & Distance, Mensuration, Data Interpretation. * **General Intelligence & Reasoning Ability**: Analogies, Similarities & Differences, Space Visualization, Problem Solving, Analysis, Judgment, Decision Making, Visual Memory, Discrimination, Observation, Relationship Concepts, Arithmetical Reasoning, Verbal & Figure Classification, Arithmetical Number Series, Non-Verbal Series, Coding & Decoding, Statement Conclusion. * **General Awareness**: Current Affairs (National & International), History (Indian & World), Geography (Indian & World), Indian Polity & Constitution, Economy, Scientific Research, Environment, General Science (Physics, Chemistry, Biology up to 10th standard). * **English Language**: Vocabulary, Grammar, Sentence Structure, Synonyms, Antonyms, Comprehension, Error Detection, Fill in the Blanks. * **Section B: Specific to Discipline (Approximately 50 questions - 50 marks)** * This section will comprise questions from the essential qualification subject of the candidate’s respective discipline (e.g., Mechanical Engineering, Electronics & Communication Engineering, Computer Science, Electrical Engineering, etc.). The syllabus will generally align with the Bachelor's Degree in Science or Diploma in Engineering/Technology curriculum for that specific field. Candidates are advised to refer to the standard academic syllabi for their chosen discipline. * **Marking Scheme**: Each question carries 1 mark. There is typically a negative marking of 0.25 marks for each incorrect answer. * **Duration**: The total duration of the CBT is usually 90 minutes. **Tier-II: Trade/Skill Test** This test is qualifying in nature. Candidates shortlisted from Tier-I (CBT) in a ratio of 1:8 (or as decided by DRDO) will be called for the Tier-II test. The nature of this test will be practical and related to the specific discipline. For instance, it might involve demonstrating practical skills, hands-on tasks, or a viva-voce depending on the technical requirements of the post. Marks obtained in this test will not be considered for final merit but qualifying is mandatory. ### Preparation Tips Cracking the DRDO STA 'B' exam requires a strategic approach and consistent effort. Here’s how you can prepare effectively: 1. **Understand the Exam Pattern and Syllabus**: This is your first and most crucial step. Thoroughly review the detailed syllabus and marking scheme. Identify your strong and weak areas. 2. **Build Strong Concepts**: For the technical section, focus on clearing your fundamental concepts from your Bachelor's Degree/Diploma syllabus. Don't just memorize; understand the 'why' behind every principle. Use standard textbooks and reference materials. 3. **Master General Aptitude**: This section is often a scoring one. Dedicate daily time to Quantitative Aptitude, Reasoning, and English. Practice a variety of problems to improve speed and accuracy. For General Awareness, stay updated with current events by reading newspapers and magazines daily. 4. **Practice Previous Year Papers**: Solve as many previous year's question papers as possible. This will give you an idea of the exam's difficulty level, frequently asked topics, and time management strategies. Analyze your mistakes and learn from them. 5. **Mock Tests are Key**: Regularly take full-length mock tests under timed conditions. This simulates the actual exam environment, helps you manage your time effectively, and identifies areas where you need more practice. After each mock test, critically analyze your performance. 6. **Time Management**: Both during preparation and the actual exam, time management is paramount. Allocate specific time slots for each subject in your study plan. During the exam, don't get stuck on one question; move on and come back if time permits. 7. **Revision is Non-Negotiable**: Regular revision is crucial to retain information. Make short notes for quick revision, especially for formulas, facts, and key concepts. Revise at the end of each week and month. 8. **Recommended Books**: For General Aptitude and Reasoning, refer to books by R.S. Aggarwal. For General English, Wren & Martin or Lucent's General English are good. For General Awareness, Lucent's General Knowledge is a staple. For your technical discipline, refer to your standard engineering/science textbooks and competitive exam guides specific to your branch. 9. **Stay Healthy and Motivated**: Don't neglect your physical and mental well-being. Get adequate sleep, eat healthily, and incorporate short breaks or light exercise into your routine. A positive mindset and consistent effort will pave your way to success!