CSIR-National Aerospace Laboratories (NAL), a constituent laboratory of the Council of Scientific and Industrial Research, has released the provisional answer key for the Multi-Tasking Staff (MTS) examination conducted on 31 October 2026. Candidates who appeared in the test can now download, review their answers, and raise objections if they identify discrepancies in the official key.
Overview
The CSIR NAL MTS recruitment (Advertisement No. 11/2026, Reference No. A12024/11/2026-Rectt.) was conducted across centres with a written examination held on 31 October 2026. The provisional answer key was released on the same day, providing candidates immediate access to the official answers for self-assessment. The 66-page PDF document contains the complete question booklets in multiple languages, detailed answer solutions, and instructions for filing objections.
This answer key is classified as provisional (or tentative), meaning it remains subject to review and may be revised if valid objections are sustained. Candidates have a defined window to challenge any answer they believe is incorrect, supported by documentary evidence.
Important Dates
| Event | Date & Time |
|---|---|
| MTS Written Examination | 31 October 2026 |
| Provisional Answer Key Release | 31 October 2026 |
| Objection Submission Opens | 1 November 2026 |
| Objection Submission Closes | 5 November 2026 at 5:00 PM |
Exam Structure and Question Details
The MTS written examination tested candidates across four distinct competency areas, each with a defined number of questions:
| Section | Question Numbers | Total Questions |
|---|---|---|
| General Intelligence | 1–25 | 25 |
| Quantitative Aptitude | 26–50 | 25 |
| General Awareness | 51–100 | 50 |
| English Language | 101–150 | 50 |
| Total | 1–150 | 150 |
Each section assesses specific skill sets required for the Multi-Tasking Staff position at CSIR NAL, Bengaluru. The General Awareness section carries the highest weightage, followed by English Language, reflecting the communication and knowledge demands of the role.
Answer Key Document Structure
The provisional answer key PDF spans 66 pages and is organized systematically for candidate convenience:
| Content Section | Page Range | Description |
|---|---|---|
| Official Notification & Objection Instructions | Page 1 | Complete objection procedure, email address, and deadline details |
| Hindi Question Booklet | Pages 2–25 | Full examination questions in Hindi language |
| English Question Booklet | Pages 26–40 | Full examination questions in English language |
| Kannada Question Booklet | Pages 41–55 | Full examination questions in Kannada language |
| English Language Questions | Pages 56–65 | Detailed English section with reading comprehension and grammar |
| Provisional Answer Key (Q. 1–150) | Page 66 | Complete set of 150 answers with correct option codes |
How to Download and Review
- Visit the official CSIR NAL website
- Navigate to the recruitment or notices section
- Download the Provisional Answer Key PDF directly from the provided link
- Save the 66-page document to your device for offline reference
- Open the PDF and go to page 66 to view the answer key for all 150 questions
- Cross-check your responses question by question across all four sections
- Calculate your estimated score based on the official answer key
Language Availability
The answer key and question booklets are provided in three languages: Hindi, English, and Kannada. This multi-language approach ensures accessibility for candidates from diverse linguistic backgrounds across India. Candidates can review the question booklet and answers in their preferred language before filing any objection.
Filing Objections Against the Answer Key
The provisional answer key remains open for challenges from candidates who identify errors or discrepancies. The objection process is as follows:
Objection Period: 1 November 2026 to 5 November 2026 (5:00 PM)
Submission Mode: Email only
Required Documents: Supporting evidence must accompany each objection. Refer to page 1 of the answer key PDF for the designated email address and detailed objection submission format.
When raising an objection, clearly state the question number, your answer, the provided answer, and attach relevant proof (such as standard reference material, textbook excerpts, or authoritative sources) that supports your claim. Objections without supporting documentation may not be considered.
Selection Process After Answer Key
Once the objection period closes (5 November 2026 at 5:00 PM), CSIR NAL will review all submissions. If objections are sustained, the final answer key will be updated accordingly. The final answer key will be used to generate merit lists and determine cutoff scores for each category. Candidates are advised to monitor the official website for announcements regarding the final answer key, result date, and subsequent selection stages (interview, medical examination, etc.).
Important Reminders for Candidates
- Keep your admit card and examination details handy when cross-checking answers
- Review all four sections carefully before calculating your estimated score
- Maintain a record of questions you believe have errors for objection filing
- Do not miss the 5 November 2026 deadline; objections received after 5:00 PM will not be entertained
- Objection mode is email only—do not attempt postal or in-person submission
- Include supporting documents with your objection for credibility and consideration
- Check official notices regularly for updates on final answer key, result dates, and further recruitment stages
Frequently Asked Questions
Q: Can I view the answer key in my preferred language?
A: Yes, the answer key and question booklets are available in Hindi, English, and Kannada. You can download the PDF and refer to your preferred language section.
Q: What is the difference between provisional and final answer key?
A: The provisional answer key released now is subject to review. After the objection period closes and valid objections are examined, CSIR NAL will release a final answer key that will be used for result declaration.
Q: How do I submit an objection?
A: Objections must be submitted via email only between 1–5 November 2026 (by 5:00 PM). Refer to page 1 of the answer key PDF for the designated email address and required format. Always attach supporting documents.
Q: Can I challenge an answer after 5 November 2026?
A: No, the objection window is strictly from 1–5 November 2026 at 5:00 PM. Late submissions will not be accepted.
Q: How many pages is the answer key document?
A: The complete document is 66 pages, including question booklets in three languages, detailed questions, and the answer key on the final page.
Q: When will the final result be declared?
A: See the official notification for information on result declaration dates and next selection stages.
Disclaimer: Candidates must verify all dates, details, and procedures on the official CSIR NAL website before taking any action. Sarkari Spot is an independent information platform and is not affiliated with CSIR or NAL.