CSIR Assistant Section Officer ASO Recruitment 2026: Apply Online for 100 Vacancies
CSIR Assistant Section Officer ASO Recruitment 2026
- Organization: Council of Scientific & Industrial Research (CSIR) has announced the recruitment for Assistant Section Officer (ASO) posts.
- Total Vacancies: A total of 100 vacancies are available across various departments including General, Finance & Accounts, and Stores & Purchase.
- Post Name: Assistant Section Officer (ASO) with post codes designated for each department.
- Application Dates: The online application process starts on June 23, 2026, and concludes on July 13, 2026, at 5:00 PM.
- Eligibility Criteria: Candidates must possess a Bachelor’s Degree in any stream from a recognized university in India.
- Special Provision: Non-recommended candidates of the Civil Services Examination 2024 (CSE-2024) are also highlighted in the eligibility criteria.
- Age Limit: The maximum age limit is 33 years as of July 13, 2025, with age relaxation applicable as per government rules.
- Application Fee: General, OBC, and EWS candidates need to pay an application fee of ₹500, while SC, ST, PH, and all female candidates are exempted.
- Selection Process: The selection will be based on a written examination, followed by other stages as defined in the official notification.
- Job Location: Selected candidates will be posted across various CSIR labs and headquarters in India.
- Official Portal: Candidates can apply online through the official CSIR recruitment portal before the deadline.
Important Dates
Salary & Pay Scale
Documents Required for Application
- Scanned copy of recent passport-sized photograph.
- Scanned copy of candidate’s signature.
- Educational certificates (10th, 12th, and Graduation Degree/Mark sheets).
- Category Certificate (SC/ST/OBC/EWS), if claiming reservation.
- Disability Certificate (for PH/PWD candidates), if applicable.
- Valid Photo ID Proof (Aadhaar Card, PAN Card, Voter ID, or Passport).
Educational Qualification
- Bachelor Degree in Any Stream from Any Recognized University in India.
- Note: Non-recommended candidates of Civil Services Examination 2024 (CSE-2024) are also eligible.
Vacancy Details – Post Wise
| Post Name | UR | OBC (NCL) | EWS | SC | ST | Total |
|---|---|---|---|---|---|---|
| ASO (General) | 23 | 17 | 08 | 09 | 04 | 61 |
| ASO (Finance & Accounts) | 07 | 06 | 01 | 02 | 02 | 18 |
| ASO (Stores & Purchase) | 08 | 06 | 03 | 02 | 02 | 21 |
| Total | 38 | 29 | 12 | 13 | 08 | 100 |
Application Fee
| Category | Fee Amount |
|---|---|
| General / OBC / EWS | 500/- |
| SC / ST | 0/- |
| PH / PWD | 0/- |
| Female | 0/- |
| Ex-Servicemen | 0/- |
| Payment Mode | Online / Offline Fee Mode Only |
Age Limit
Selection & Exam Process
Stage I: Written Examination
- Objective type multiple-choice questions covering General Awareness, English Language, and Quantitative Aptitude.
- Negative marking may be applicable as per the official guidelines.
Stage II: Descriptive Test
- Descriptive paper in English/Hindi to test writing skills, essay writing, and precise drafting.
Stage III: Computer Proficiency Test (CPT)
- Qualifying test to assess basic computer operations, MS Office, and typing skills.
CSIR ASO Exam Pattern Overview
| Paper | Subject | Max Marks | Duration |
|---|---|---|---|
| Paper I | General Awareness and English Language & Comprehension | 150 | 2 Hours |
| Paper II | General Intelligence, Reasoning, and Mental Ability | 200 | 2.5 Hours |
| Paper III | Descriptive Paper (English/Hindi) | 150 | 2 Hours |
How to Apply – Step by Step
- Visit the official CSIR recruitment portal or click the direct registration link provided below.
- Read the official notification carefully to ensure you meet all eligibility criteria.
- Click on the “Apply Online” link to register as a new user.
- Fill in your basic details, educational qualifications, and contact information accurately.
- Upload scanned copies of required documents, including your photograph, signature, and category certificate (if applicable).
- Preview the application form to check for any errors before final submission.
- Pay the application fee of ₹500 (if applicable) using online payment modes like Net Banking, Credit/Debit Card, or UPI.
- Submit the application form and take a printout of the confirmation page for future reference.
Important Links
Frequently Asked Questions
Syllabus and Exam Structure
The Council of Scientific & Industrial Research (CSIR) Assistant Section Officer (ASO) examination is a highly competitive test designed to evaluate candidates across multiple dimensions. The syllabus is broadly divided into three main papers. Paper I focuses on General Awareness and English Language & Comprehension. Candidates need to have a strong grasp of Indian history, constitution, polity, economy, and current events of national and international importance. The English section tests grammar, vocabulary, comprehension, and sentence structuring. Paper II covers General Intelligence, Reasoning, and Mental Ability, which requires rigorous practice of logical reasoning, analytical ability, quantitative aptitude, and data interpretation. Paper III is a descriptive test in English or Hindi, assessing the candidate’s essay writing, précis writing, and letter/application drafting skills. Understanding this comprehensive syllabus is the first step toward a structured preparation plan.
Exam Pattern and Marking Scheme
The examination pattern is structured to filter the best talent through multiple stages. Paper I consists of 150 objective-type questions to be completed in 2 hours. Paper II contains 200 objective-type questions with a duration of 2.5 hours. Both objective papers carry a negative marking penalty for incorrect answers, making accuracy as important as speed. Paper III is a descriptive test of 150 marks with a 2-hour duration. Following the written stages, candidates must clear a Computer Proficiency Test (CPT) which is qualifying in nature but mandatory. It tests basic knowledge of computer operations, spreadsheet preparation, and presentation creation. Knowing the weightage of each section helps candidates allocate their study time effectively, ensuring they do not lose marks due to negative marking.
Strategic Preparation Tips
To excel in the CSIR ASO 2026 exam, candidates must adopt a disciplined and strategic approach. Here are some essential tips:
- Create a Structured Study Plan: Divide your daily schedule to cover all three papers. Dedicate specific hours to quantitative aptitude, reasoning, general awareness, and English language practice.
- Focus on Current Affairs: Stay updated with the last 9 to 12 months of national and international current affairs. Read daily newspapers like The Hindu or Indian Express and make concise notes.
- Strengthen Core Concepts: For reasoning and quantitative aptitude, focus on understanding the underlying concepts rather than memorizing formulas. Practice topic-wise questions to build speed and accuracy.
- Enhance Writing Skills: For the descriptive paper, practice writing essays on contemporary social, economic, and scientific issues. Work on structuring your arguments logically and maintaining neat handwriting.
- Solve Previous Year Papers: Analyze past question papers to understand the difficulty level and the types of questions frequently asked. This will give you a realistic idea of what to expect.
- Take Regular Mock Tests: Enroll in a reliable mock test series. Attempting full-length mocks under timed conditions helps build stamina, improves time management, and highlights areas that need improvement.
Recommended Study Material
Choosing the right books and resources is crucial for effective preparation. For General Awareness, standard books like Lucent’s General Knowledge and Laxmikanth’s Indian Polity are highly recommended. For Quantitative Aptitude and Reasoning, RS Aggarwal’s books provide a solid foundation. For English Language, Wren & Martin for grammar and Word Power Made Easy by Norman Lewis for vocabulary are excellent choices. Additionally, utilizing online resources, government reports, and CSIR’s official publications can provide valuable insights for the descriptive paper and general science sections.
All information is compiled from official notifications for informational purposes only. Applicants must verify all details from the official notification PDF and official website before applying. We are not responsible for any error or inconvenience caused.