NIELIT Scientist B Exam Guide 2026
NIELIT Scientist B 2026 notification updates and complete exam guide. Check exam dates, vacancies, eligibility criteria, selection process, syllabus, and application details.
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📊 Post Details & Salary Structure
| Particulars | Details |
|---|---|
| Name of Organisation | NIC |
| UGC Full Form | National Informatics Centre |
| Post Name | Scientist B |
| Selection Process | Based on the GATE score |
| Educational Qualification | Bachelor's Degree in Engineering and valid GATE Scores |
| Exam Cycle | 2026 |
| Application Start Date | To be announced |
| Last Date to Apply | To be announced |
📊 Application Fee
- Total
- 243
- Category
- Vacancies
- Unreserved (UR)
- 100
- Scheduled Caste (SC)
- 36
- Scheduled Tribe (ST)
- 18
- Other Backwards Class (NCL)
- 65
- Economically Weaker Section (EWS)
- 24
📊 Important Dates & Schedule
- Category
- fee
- General and all others
- INR 800/- per application per post(including taxes)
- SC/ST/ PWD/ Women candidates
- Nil
📊 Important Dates & Schedule
- Degree
- Field (Single or in Combination)
- Bachelor Degree in Engineering OR Bachelor in Technology OR B-Level accredited Computer Courses OR Associate Member of Institute of Engineers OR Graduate Institute of Electronics and Telecommunication Engineers OR Master Degree in Science (MSc) OR Master Degree in Computer Application (MCA) OR Master Degree in Engineering / Technology (ME / M.Tech) OR Master Degree in Philosophy (M.Phil)
- Electronics, Electronics and Communication, Computer Science, Communication, Computer and Networking Security, Computer Application, Software System, Information Technology, Information Technology Management, Informatics, Computer Management, Cyber Law, Electronics and Instrumentation
📊 Category-wise Upper age limit not exceeding (in years)
| Posts | UR/EWS | SC/ST | OBC(NCL*) | PWD | Service Candidate | Ex- Servicemen |
|---|---|---|---|---|---|---|
| Scientist - ‘B’ | 30 | 35 | 33 | 40 {PWD SC/ST Candidates: 45 PWD OBC (NCL) candidate: 43} | UR/EWS Service Candidate: 35 SC/ST Service Candidate: 40 OBC (NCL) Service Candidate: 38 | As per Govt. of India Rules |
📊 Exam Pattern & Marking Scheme
| Sections | Topics |
|---|---|
| Logical Reasoning | Blood Relations, Clock and Calendar , Ordering & Ranking , Directions & Distances , Arranging words in Meaningful order |
| Quantitative and Qualitative abilities | Number system , Profit and Loss , Work & Time , Time & Distanc e, Simple Interest & Compound Interest |
| Analytical Reasoning Capabilities | Ranking & Time Sequence, Analogy & Data Sufficiency , Input-Output , Syllogisms |
| General Aptitude | General knowledge, Current Affairs |
| Probability, Statistics and Combinatorics | Conditional Probability; Mean, Median, Mode and Standard Deviation; Random Variables; Distributions; uniforms, normal, Exponential, Poisson, Binomial, Permutations, Combinations, Counting, Summation, generating functions, recurrence relations, asymptotic |
| Digital Logic | Logic functions, Minimization, Design and synthesis of combinational and sequential circuits, Number representation and computer arithmetic (fixed and floating point) |
| Computer Organization and Architecture | Machine instructions and addressing modes, ALU and data-path, CPU control design, Memory interface, I/O interface (interrupt and DMA mode), instruction pipelining, Cache and main memory, Secondary storage. |
| Electrical Engineering | Power Electronics, Signals and Systems, Electromagnetic Fields, Network graph, KCL, KVL, Node and Mesh Analysis, Transient response of DC and AC Networks, Sinusoidal steady-state analysis, Resonance, Superposition theorem, Maximum Power transfer theorem, Three Phase Circuits, Power and Power factor in AC Circuit |
| Analog and Digital Communication | Autocorrelation and power spectral density, properties of white noise, filtering of random signals through LTI systems, amplitude modulation and demodulation, angle modulation and demodulation, spectra of AM and FM, Super heterodyne receivers, circuits for analog communications, information theory, entropy, mutual information and channel capacity theorem, Digital communications, PCM, DPCM, digital modulation schemes, amplitude, phase and frequency shift keying (ASK, PSK, FSK), QAM, MAP and ML decoding, matched filter receiver, calculation of bandwidth, SNR and BER for digital modulation; Fundamentals of error correction, Hamming codes; Timing and frequency synchronization, inter-symbol interference and its mitigation; Basics of TDMA, FDMA and CDMA. |
| Programming and Data Structures | : Programming in modern languages viz., Java, .Net, Open Source (PHP), Python, GoLang, NodeJS, etc. Functions, Recursion, Parameter passing, Scope, Binding, Abstract data types Arrays, Stacks, Queues, Linked Lists, Trees, Binary search trees, Binary heaps, Object Oriented Programming Concepts- Object, Class, inheritance, Polymorphism, Abstraction and Encapsulation. |
| Algorithms | Analysis, Asymptotic, notation, Notions of space and time complexity, Worst and average case analysis, Design; Greedy approach, Dynamic programming, Divide-and-conquer, Tree and graph traversals, Connected competent, Spanning trees, Shortest paths; Hashing, Sorting, Searching, Asymptotic analysis (best, worst, average cases) of time and space, upper and lower bounds, Basic concept of complexity classes-P, NP, NP-hard, NP-complete |
| Compiler Design | Lexical analysis, Parsing, Syntax directed translation, Runtime environments, intermediate and target code generation, Basics of code optimization |
| Operating System | Processes, Threads, inter-Process communication, Concurrency, Synchronisation, Deadlock, CPU scheduling, Memory management and virtual memory, File systems, I/O systems, Protection and security |
| Databases | ER-model, Relational Model (relational algebra, tuple calculus), Database design (integrity constraints, normal forms), Query languages (SQL), File structures (sequential files, indexing, B and B+ trees), Transactions and concurrency control, NoSQL Databases, questions on internals of Postgresql. |
| Information Systems and Software Engineering | Information gathering, requirement and feasibility analysis, data flow diagrams, process specifications, input/output design, process life cycle, planning and managing the project, design, coding, testing, Implementation, maintenance. |
| Computer Networks | ISO/OSI stack, LAN technologies, Flow and error control techniques, Routing algorithms, Congestion control, TCP/UDP and sockets, IP(v4), IP(v6), Application layer protocols, (ICMP, DNS, SMTP, POP, FTP, HTTP, HTTPS), Basic concepts of hubs, switches, gateways and routers. Wireless technologies, Network security -basic concepts of public key and private key cryptography, digital signature, firewalls |
| Web Technologies | HTML5, CSS3, XML, basic concept of client-server computing, web server, proxy server, web application development, MVC Architecture, web services, frontend technologies |
| Cyber Security and Emerging Technologies | Secure programming techniques, OWASP top 10 vulnerabilities, concepts on IOT, Block chain, AI |
| Cloud Technology | Computer, Network, Storage Management Technologies, Edge Computing |
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📌 Our Topics Covered
- NIELIT Scientist B Eligibility Criteria & Age Limit 2026
- NIELIT Scientist B Exam Pattern & Selection Process
- NIELIT Scientist B Educational Qualification & Attempts
- NIELIT Scientist B Salary Structure & Pay Scale
- NIELIT Scientist B Syllabus & Preparation Guide
❓ Frequently Asked Questions
Q1.What is the Upper age limit for the candidates to appear for the NIC Scientist B Recruitment examination?
The Upper Age Limit for a candidate belonging to UR Category is 30 Years, OBC category is 33 Years and SC/ST category is 35 years. There are various relaxations also given under different categories. Do check them out in the article.
Q2.What is the nationality criteria of the candidates for the NIC Scientist B Recruitment?
For the NIC Scientist B Recruitment, only Indian candidates are accepted.
Q3.What is the selection process for NIC Scientist B Recruitment?
The selection of candidates for NIC Scientist B Recruitment is done through GATE score.
Q4.Are there age relaxation facilities available for the NIC Scientist B Recruitment?
Yes, upper age relaxation is available for the reserved category candidates. Age relaxation details are given in the official notification.
Q5.Where will be the NIC Scientist B admit card released?
The hall tickets/ admit cards will be available on the official website of the National Informatics Centre. Candidates can also check the CurrentAffairs360 website for the upcoming details.
Q6.What is the NIC Scientist B Recruitment 2026 application fee?
The application fee is INR 800 for General and OBC candidates while candidates belonging to (SC/ST)/Women will not be required to pay an application fee.
Q7.Is the official notification for NIC Scientist B Recruitment 2026 released?
Yes, official notification has been released.
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