DRDO RAC Recruitment 2022 – Admit Card, Exam Dates

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DRDO RAC Scientist B Admit Card released on 24th November 2022. This is for the online exam  scheduled on 11th December 2022 for disciplines under Part I. Read more on the selection process, eligibility criteria, exam pattern, etc. for the DRDO RAC Recruitment 2022 in the article below.

  • DRDO RAC Scientist Application Link was active between 6th July till 5th August 2022
  • The candidates from the premier institutes IIT/NIT need not be GATE qualified while others must have a valid Gate Score.
  • The selection procedure of the DRDO RAC Recruitment 2022 consists of a written examination that is descriptive in nature and then followed by an interview.
  • The written test will be a computer-based test (CBT). A merit list will be prepared to consist of the names of the successful candidates based on performance in interviews and medical tests. 

If you are checking DRDO RAC Scientist B Details, also check DRDO MTS details here

DRDO RAC Exam Overview

Name of Organization


DRDO Full-Form

Defense Research Development Organisation



Exam Conducting Body


Post Name

Scientist B



Total Vacancy


Notification Release Date

6th July 2022

Last Date to Apply

29th July 2022 5th August 2022

Mode of Exam


DRDO RAC Scientist Latest Updates:

24th November 2022: DRDO RAC Scientist B Admit Card Released

The DRDO has released the admit card for RAC Scientist B. The exam will take place on 11th December 2022. This for candidates who had applied for disciplines under Part I. The direct link to download the admit card has been given below.

Direct Link to Download DRDO RAC Scientist B Admit Card

Download DRDO RAC Scientist B Exam Date & Centre Notice

21st September 2022: Notice released for DRDO RAC Scientist B Recruitment Through GATE

The DRDO has issued a notice announcing recruitment of candidates for the post of Scientist B through GATE 2023 in Life Sciences and other relevant disciplines. The selection process may also include written exam, and/or interview. The detailed notification for the recruitment will be released later.

Download  Notice for DRDO Scientist B Recruitment through GATE

29th July 2022: DRDO RAC Scientist Last Date to Apply Extended!

Defense Research Development Organization has extended the last date of  RAC Scientist till 5th August 2022 from 29th July 2022. Check the official notice below.

Check DRDO RAC Scientist Last Date to Extended Notice

6th July 2022: DRDO RAC Scientist Application Link Active

DRDO has made the DRDO RAC Scientist Application Link Active from 6th July till 29th July 2022. Candidates can apply in the link given below and the written exam to take place on 16th October 2022.

Direct Link to Apply Online For DRDO RAC Scientist 

DRDO Scientist B Vacancy

Candidates are always anticipated to know about the vacancy announcement and the details about the amount of opportunity available to grab. Below are some details which will provide the candidates with relevant information: 

  • The vacancy for the year 2022 will be released later in the official notification
  • Candidates can go through the details in the below table
  • In the below-mentioned table, we have listed the expected vacancies as per the previous recruitment cycle.
Subject/Discipline Organization  No. of Vacancies
Electronics & Comm. Engg —  DRDO 54 13 37+4 20+2 11 + 2 135 + 8
ADA 6 1 3 1 1 12
DST 2  – 2
Mechanical Engg- –  DRDO 52 14 35+ 4 21+ 7 10 + 1 132+ 12
ADA 8 1 5 2 1 17
DST 1 1
Computer Science & Engg- –  DRDO 45 10 28 + 4 14+ 4 7+ 2 104 + 10
ADA 2 1 1 4
DST 2 2
Electrical Engg– DRDO 9 3 7+ 1 4+ 2 2+ 2 25 + 5
ADA 1 1 2
DST  – 1 1
Material Science & Engg/ Metallurgical Engg DRDO 9  – 4 1+ 1 1 15 +1
Physics DRDO 10 3 6+ 1 5 2e 24+ 3
Chemistry DRDO 9 3 6 4 3 25
Chemical Engg – DRDO 5 2 5+ 3 2+ 1 2 16+ 40
DST 1  – 1
Aeronautical Engg-  DRDO 9 2 6 3+ 1 2 22+ 1
ADA 2 1 2 1 1 7
Mathematics DRDO 3 1 2 1 7
Civil Engg DRDO 2 1 2+ 2 1+ 1 1 6+ 4
Instrumentation Engg – DRDO –   – 1  – 1
ADA –  1  – 1
Material Science DRDO 3 1 2+ 1 2 1 9+ 1
Naval Architecture" DRDO 2 1 3
Environmental Science & Engineering DST 1  – 1
Atmospheric Science DRDO 1 1
Microbiology DRDO 1 1 –  1 3
Biochemistry DRDO 1 1 –  –  2
TOTAL- DRDO 214 53 142+ 21 79+ 19 40+ 11 528 + 51
ADA 19 4 11 6 3 43
DST 3 1 2 2 8

Download DRDO RAC Official Notification PDF

DRDO Scientist B Apply Online 2022

Candidates that have made their mind to prepare for a particular exam are always anticipated to know more about the online application process and therefore roll themselves for the selection process. Below are steps to apply online for DRDO Scientist B Recruitment.

Direct Link to Apply Online for DRDO RAC Scientist Here


Step 1: Visit the Official Website.

Step 2: Register yourself by providing the details being asked in the registration form

Step 3: After registering the candidates need to upload the required documents with a maximum file size not exceeding 500 KB.

Step 4: A recent passport size color photograph (size not exceeding 30 KB; resolution of 110 x 140 pixels). You can use the PrepForSure Photocropping Tool to resize the photos as per the application.

Step 5: After that scanned signature with a valid GATE, the scorecard must be uploaded

Step 6: A provision was made for the candidates who have appeared in the final year examination, to upload their degree/provisional degree certificate online.

Step 7: Pay the required fee applicable and click on the submit button.

Take NIC Scientist B free mock test to brush up on your exam preparation.

DRDO Scientist B Application Fee 2022

Like every competitive exam, the application process involves the application fee where the students have to pay a certain amount of money to enroll themselves for the selection process, and below is complete information about the application fee required for DRDO Scientist B recruitment:

  • The application fee is the fee one pay for appearing in the examination
  • The fee varies for different categories and gender
  • The detailed information is given in below table


Total Fee


Rs. 100

SC, ST & Women


DRDO Scientist B Selection Process

The DRDO Scientist B recruitment selection process is different for candidates appearing in different posts. Such as the following details:


  • Shortlist candidates on the basis of GATE score.
  • Descriptive written test
  • Personal Interview


  • Shortlisting on the basis of GATE score. 
  • Personal Interview


  • Shortlisting on the basis of NET score
  • Personal Interview

The applicants will be shortlisted on the basis of GATE scores and/or Descriptive Examination or percentage of marks in NET

The selected candidates need to appear for the personal interview

The final appointment will be considered on the basis of qualifying the conditions such as medical examination prescribed for Group ‘A’ Technical posts of Govt. of India

The final result will be displayed on the official website.

DRDO Scientist B Exam Pattern

The exam pattern provides the students, the information they need about various topics and their weightage and helps the students to prepare accordingly for the exam. Below are the complete details about the exam pattern of DRDO Scientist B recruitment: 

  • The DRDO Scientist B exam consists of two papers – Paper I & Paper II
  • Paper I is of 300 marks while paper II is of 300 marks
  • The time duration is 6 hours. The detailed information is presented in the table below


Total marks

Total Duration

Descriptive Type Paper 1


3 hrs

Descriptive Type Paper 2


3 hrs



6 hrs

DRDO Scientist B Syllabus

The syllabus depicts the topics the candidates belonging to the mechanical engineering branch need to study in order to be eligible for the preparation process. Below is the syllabus :

Mechanical Engineering Descriptive Paper -I

Fluid Mechanics

Thermodynamics and Heat transfer

Turbo Machinery

Power Plant Engineering

Renewable Sources of Energy

Basic Concepts and Properties of Fluids, Manometry, Fluid Statics, Buoyancy, Equations of Motion, Bernoulli’s equation and applications, Viscous flow of incompressible fluids, Laminar and Turbulent flows, Flow through pipes and head losses in pipes.

Thermodynamic systems and processes; properties of pure substance; Zeroth, First and Second Laws of Thermodynamics; Entropy, Irreversibility, and availability; analysis of thermodynamic cycles related to energy conversion: Rankine, Otto, Diesel, and Dual Cycles; ideal and real gases; compressibility factor; Gas mixtures. Modes of heat transfer, Steady and unsteady heat conduction, Thermal resistance, Fins, Free and forced convection, Correlations for convective heat transfer, Radiative heat transfer – Radiation heat transfer coefficient; boiling and condensation, Heat exchanger performance analysis.

Reciprocating and Rotary pumps, Pelton wheel, Kaplan and Francis Turbines, velocity diagrams, Impulse and Reaction principles, Steam and Gas Turbines, Theory of Jet Propulsion – Pulse jet and RamJet Engines, Reciprocating and Rotary Compressors – Theory and Applications

Rankine and Brayton cycles with regeneration and reheat, Fuels and their properties, Flue gas analysis, Boilers, steam turbines and other power plant components like condensers, air ejectors, electrostatic precipitators and cooling towers – their theory and design, types and applications;

Solar Radiation, Solar Thermal Energy collection – Flat Plate and focusing collectors their materials and performance. Solar Thermal Energy Storage, Applications – heating, cooling and Power Generation; Solar Photovoltaic Conversion; Harnessing of Wind Energy, Biomass and Tidal Energy – Methods and Applications, Working principles of Fuel Cells.

The syllabus for Mechanical Engineering Paper-II states various topics that the candidate from the Mechanical Engineering branch needs to study for and below is the detailed syllabus :

Mechanical Engineering Descriptive Paper -II

Engineering Mechanics

Engineering Materials

Mechanisms and Machines

Design of Machine Elements

Manufacturing, Industrial and Maintenance Engineering

Mechatronics and Robotics

Analysis of System of Forces, Friction, Centroid and Centre of Gravity, Dynamics; Stresses and Strains-Compound Stresses and Strains, Bending Moment and Shear Force Diagrams, Theory of Bending Stresses- Slope and deflection-Torsion, Thin and thick Cylinders, Spheres.

Basic Crystallography, Alloys and Phase diagrams, Heat Treatment, Ferrous and Non-Ferrous Metals, Non-metallic materials, Basics of Nano-materials, Mechanical Properties and Testing, Corrosion prevention and control

Types of Kinematics Pair, Mobility, Inversions, Kinematic Analysis, Velocity and Acceleration Analysis of Planar Mechanisms, CAMs with uniform acceleration and retardation, cycloidal motion, oscillating followers; Vibrations –Free and forced vibration of undamped and damped SDOF systems, Transmissibility Ratio, Vibration Isolation, Critical Speed of Shafts. Gears – Geometry of tooth profiles, Law of gearing, Involute profile, Interference, Helical, Spiral and Worm Gears, Gear Trains- Simple, compound and Epicyclic; Dynamic Analysis – Slider – crank mechanisms, turning moment computations, balancing of Revolving & Reciprocating masses, Gyroscopes –Effect of Gyroscopic couple on automobiles, ships and aircraft, Governors.

Design for static and dynamic loading; failure theories; fatigue strength and the S-N diagram; principles of the design of machine elements such as riveted, welded, and bolted joints. Shafts, Spur gears, rolling and sliding contact bearings, Brakes, and clutches, flywheels.

Metal casting-Metal forming, Metal Joining, Machining, and machine tool operations, Limits, fits and tolerances, Metrology and inspection, computer Integrated manufacturing, FMS, Production planning and Control, Inventory control, and operations research – CPM-PERT. Failure concepts and characteristics-Reliability, Failure analysis, Machine Vibration, Data acquisition, Fault Detection, Vibration Monitoring, Field Balancing of Rotors, Noise Monitoring, Wear and Debris Analysis, Signature Analysis, NDT Techniques in Condition Monitoring.

Microprocessors and Microcontrollers: Architecture, programming, I/O, Computer interfacing, Programmable logic controller. Sensors and actuators, Piezoelectric accelerometer, Hall effect sensor, Optical Encoder, Resolver, Inductosyn, Pneumatic and Hydraulic actuators, stepper motor, Control Systems- Mathematical modeling of Physical systems, control signals, controllability, and observability. Robotics, Robot Classification, Robot Specification, notation; Direct and Inverse Kinematics; Homogeneous Coordinates and Arm Equation of four Axis SCARA Robot.

The syllabus for Electrical Engineering engineering Paper I Include various topics ranging from basic electronics to material science in which the candidates need to prepare. Detailed syllabus is given down below:

Electrical Engineering Engineering Paper I

Basic Electronics Engineering

Basic Electrical Engineering

Electronic Measurements and Instrumentation

Materials Science

Analog and Digital Circuits

Basics of semiconductors; Diode/Transistor basics and characteristics; Diodes for different uses; Junction & Field Effect Transistors (BJTs, JFETs, MOSFETs); Transistor amplifiers of different types, oscillators, and other circuits; Basics of Integrated Circuits (ICs); Bipolar, MOS and CMOS ICs; Basics of linear ICs, operational amplifiers and their applications-linear/non-linear; Optical sources/detectors; Basics of Optoelectronics and its applications.

DC circuits ohm’s & Kirchoff’s laws, mesh and nodal analysis, circuit theorems; Electromagnetism, Faraday’s & Lenz’s laws, induced EMF and its uses; Single-phase AC circuits; Transformers, efficiency; Basics-DC machines, induction machines, and synchronous machines; Electrical power sources- basics: hydroelectric, thermal, nuclear, wind, solar; Basics of batteries and their uses.

Principles cementccuracy, ement, accuracy, precision and standards; Analog and Digital systems for measurement, measuring instruments for different applications; Static/dynamic characteristics of measurement systems, errors, statistical analysis and curve fitting; Measurement systems for nonelectrical quantities; Basics of telemetry; Different types of transducers and displays; Data acquisition system basics.

Electrical Engineering materials; Crystal structure & defects; Ceramic materials-structures, composites, processing and uses; Insulating laminates for electronics, structures, properties and uses; Magnetic materials, basics, classification, ferrites, Ferro/para-magnetic materials and components; Nano materials-basics, preparation, purification, sintering, nanoparticles and uses; Nano-optical/magnetic/electronic materials and uses; Superconductivity, uses.

Small signal equivalent circuits of diodes, BJTS and FETs; Diode circuits for different uses; Biasing & stability of BJT & JFET amplifier circuits; Analysis/design of amplifier- single/multi-stage; Feedback& uses; Active filters, timers, multipliers, waveshaping, A/D-D/A converters; Boolean Algebra& uses; Logic gates, Digital IC families, Combinatorial/sequential circuits; Basics of multiplexers, counters/registers/ memories /microprocessors, design& applications.

The syllabus for electrical engineering paper 2 consists of various topics related to the stream of the electrical branch. topics range from analog and digital communication to advanced communication topics. You can find the total syllabus below:

Electrical Engineering Engineering Paper II

Analog and Digital Communication Systems

Control Systems

Computer Organization and Architecture

Advanced Electronics Topics

Electro Magnetics

Advanced Communication Topics

Random signals, noise, probability theory, information theory; Analog versus digital communication & applications: Systems- AM, FM, transmitters/receivers, theory/practice/ standards, SNR comparison; Digital communication basics: Sampling, quantizing, coding, PCM, DPCM, multiplexing-audio/video; Digital modulation: ASK, FSK, PSK; Multiple access: TDMA, FDMA, CDMA; Optical communication: fiber optics, theory, practice/standards.

Classification of signals and systems; Application of signal and system theory; System realization; Transforms& their applications; Signal flow graphs, Routh-Hurwitz criteria, root loci, Nyquist/Bode plots; Feedback systems-open &close loop types, stability analysis, steady-state, transient, and frequency response analysis; Design of control systems, compensators, elements of lead/lag compensation, PID and industrial controllers.

The basic architecture, CPU, I/O organization, memory organization, peripheral devices, trends; Hardware /software issues; Data representation& Programming; Operating systems-basics, processes, characteristics, applications; Memory management, virtual memory, file systems, protection & security; Databases, different types, characteristics, and design; Transactions and concurrency control; Elements of programming languages, typical examples.

VLSI technology: Processing, lithography, interconnects, packaging, testing; VLSI design: Principles, MUX/ROM/PLA-based design, Moore & Mealy circuit design; Pipeline concepts & functions; Design for testability, examples; DSP: Discrete-time signals/systems, uses; Digital filters: FIR/IIR types, design, speech/audio/radar signal processing uses; Microprocessors & microcontrollers, basics, interrupts, DMA, instruction sets, interfacing; Controllers & uses; Embedded systems.

Elements of vector calculus, Maxwell’s equations-basic concepts; Gauss’, Stokes’ theorems; Wave propagation through different media; Transmission Lines-different types, basics, Smith’s chart, impedance matching/transformation, S-parameters, pulse excitation, uses; Waveguides-basics, rectangular types, modes, cut-off frequency, dispersion, dielectric types; Antennas-radiation pattern, monopoles/dipoles, gain, arrays-active/passive, theory, uses.

VLSI technology: Processing, lithography, interconnects, packaging, testing; VLSI design: Principles, MUX/ROM/PLA-based design, Moore & Mealy circuit design; Pipeline concepts & functions; Design for testability, examples; DSP: Discrete-time signals/systems, uses; Digital filters: FIR/IIR types, design, speech/audio/radar signal processing uses; Microprocessors & microcontrollers, basics, interrupts, DMA, instruction sets, interfacing; Controllers & uses; Embedded systems.

DRDO Scientist B Important Dates

The candidates trying to apply for the recruitment process need to know some important dates related to the selection process which includes various events. All the important dates are stated below:

  • The important dates regarding DRDO Scientist B recruitment is shown in the below table
  • The examination dates are yet to be out
  • Once the dates are out we will be updated in our blog soon

Important Events


Notification Release Date

24th June 2022

Start Of Online Application

6th July 2022

Last Day of Online Application

29th July 2022 5th August 2022

Admit Card Release Date

24th November 2022

DRDO Scientist B Eligibility Criteria

Eligibility criteria for DRDO scientists B recruitment Need the candidate to satisfy two major criteria which will allow them to register for the recruitment process. These criteria include – Age limit and Educational qualification. 

Age Limit


Age Limit


28 yrs


31 yrs


33 yrs

There is a certain age relaxation set by the DRDO for other categories who will be participating in the examination.

  • PwD (HH) and PwD(OH) – 10 years
  • Central Civilian Govt. employees – 5 years
  • Relaxable for Ex-servicemen(Ex SSCOs/ECOs)

Educational Qualification

  • The candidates from NIT/IIT need not qualify for the GATE examination provided that they have a satisfactory CGPA
  • Others must have a valid GATE Scorecard in their respective disciplines
  • The detailed qualification details are shown in below table


Desired Qualification

Electronics and Communication

First Class Bachelor’s Degree in Engineering or Technology in Electronics & Communication Engg from a recognized university or equivalent.

Mechanical Engineering

First Class Bachelor’s Degree in Engineering or Technology in Mechanical Engg from a recognized university or equivalent.

Electrical Engineering

First Class Bachelor’s Degree in Engineering or Technology in Electrical Engg from a recognized university or equivalent.

Computer Science Engineering

First Class Bachelor’s Degree in Engineering or Technology in Computer Science & Engg from a recognized university or equivalent.

Material Science & Engineer /

Metallurgical Engineer

At least First Class Bachelor’s degree in Engineering or Technology in Metallurgy from a recognized university or equivalent.


First Class Master’s Degree in Physics from a recognized university or equivalent.


First Class Master’s Degree in Chemistry from a recognized university or equivalent.

Aeronautical Engineer

First Class Bachelor’s Degree in Engineering or Technology in Aeronautical Engg from a recognized university or equivalent.


First Class Master’s Degree in Mathematics from a recognized university or equivalent.

Civil Engineering

First Class Bachelor’s Degree in Engineering or Technology in Civil Engg from a recognized university or equivalent.


First Class Master’s Degree in Psychology from a recognized university or equivalent.

Chemical Engineering

First Class Bachelor’s Degree in Engineering or Technology in Chemical Engg from a recognized university or equivalent.

To get the detailed DRDO Scientist B Eligibility, candidates can visit the linked article.

DRDO Scientist B Salary Structure

A job in DRDO not only means great responsibilities but also handsome payment packages. The various components involved in the gross salary of the said post are explained. The DRDO RAC Salary and Job Profile for the post of Scientist B in DRDO according to the 7th Pay Commission is explained in the table below.



Pay Level


Entry Pay

Rs. 56100-177500/-

Dearness Allowance

Rs. 6,732 /-

Travel Allowance

Rs. 3,600 – 7,200/-

HRA (if Government accommodation unavailable)

Rs. 13,400/-

Professional update allowance

Rs. 22,500/-

Gross Salary

Rs. 68,307 – 85,553

DRDO Scientist B Admit Card 2022

Admit cards allow the candidates to prove the authentication while giving the examinations and are important while giving the examinations below are the steps to download the admit:

Step 1: Visit the DRDO website. Under the latest updates section click the link to download DRDO RAC Scientist B Admit Card.

Step 2: Enter the credentials – Roll Number, Password & Date Of Birth

Step 3: The admit card will appear on the screen

Step 4: Alternatively, you can go to the official website and follow the above-mentioned steps

Step 5: Take a printout for future reference

For details on the DRDO RAC Scientist B Admit Card refer to the linked article.

If you are preparing for the exam then you can download DRDO RAC Exam Previous Year Papers here! 

DRDO Scientist B Result

The result for the recruitment process filters out the students who scored the minimum qualifying marks and are eligible for the final selection process. The detailed steps to download the DRDO Scientist B Result are discussed below-

Direct Link To Download Result
Note:- The direct link to download result will be activated out soon

Step 1: Click on the direct link given above

Step 2: A PDF consisting of the names of the selected candidates will be displayed on the screen

Step 3: Press Ctrl+F and start looking for your roll number

Step 4: Alternatively, you can log on to the official website and follow the above-mentioned steps

We hope you have liked our article on DRDO Scientist B Recruitment 2022. Go through all the details & updates regarding the DRDO Scientist B recruitment 2022 carefully so that there is no confusion left in your mind. You can keep visiting our blog on a regular basis for updated information and updates. Till then you can continue your preparations and for any queries, you can comment in the comment box below.

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