Bihar Vidhan Sabha DEO Exam Details 2026

All the details related to the Syllabus and Exam Pattern of the Bihar Vidhan Sabha DEO exam are provided below.

The candidates need to have a thorough understanding of the Bihar Vidhan Sabha DEO Prelims Exam Pattern which will help them in excelling in the examination and qualify for the next phase. The questions in this paper will be the objective type that the candidates have to finish within an allotted time. Check out the exam pattern in the table given below.

| Bihar Vidhan Sabha DEO Prelims Exam Pattern | Subjects | Questions | Marks | Duration |

| --- | --- | --- | --- | --- |

| General Studies | 40 | 160 | 2 hours | |

| General Science and Mathematics | 30 | 120 | Mental Ability & Logical Reasoning | 30 |

| 120 | | | | |

Here is the detailed syllabus for the prelims and mains examination of the Bihar Vidhan Sabha DEO exam. Check out the table given below.

| Bihar Vidhan Sabha DEO Prelims Syllabus | Subjects | Topics |

| --- | --- | --- |

| General Studies | Contemporary Topics: <br> Important national and international current events. <br> Scientific progress updates. <br> Recognition and details of national and international awards. <br> Noteworthy achievements and updates related to sports players. <br> India and Neighbouring Countries: <br> History, culture, geography, and economic scenario of India and its neighbouring countries. <br> Understanding the history of neighbouring countries. <br> India and Bihar: <br> Major features of agriculture and natural resources in Bihar. <br> In-depth knowledge of Indias history, culture, geography, and economic landscape. <br> Constitution and Political System: <br> Understanding the Constitution and political system of India. <br> Origin and gradual evolution of Indias constitutional and parliamentary system. <br> Development and Plans: <br> Overview of development initiatives, including Panchayati Raj and community development. <br> Knowledge of five-year plans and their objectives. <br> Indias Freedom Movement: <br> Detailed insight into Indias freedom movement. <br> Understanding the significant contributions of Bihar in the national freedom movement. | |

| General Science and Mathematics | (i) General Science: Physics, Chemistry, Biology <br> Physics: Fundamental principles and concepts, laws of motion, energy, sound, light, electricity, and magnetism. <br> Chemistry: Basic concepts of chemistry, elements, compounds, chemical reactions, acids and bases. <br> Biology: Basics of life sciences, human biology, plants, animals, and their physiological processes. <br> (ii) Mathematics: <br> Number System: Understanding the mathematical number system. <br> Computation: Performing operations with whole numbers, decimals, and fractions. <br> Mutual Relations: Relationships and interactions between different numbers. <br> Basic Operations: Fundamental numerical operations such as addition, subtraction, multiplication, and division. <br> Percentage: Calculations involving percentages. <br> Ratio and Proportion: Understanding and solving problems related to ratios and proportions. <br> Average: Calculating averages of sets of numbers. <br> Interest: Computing simple and compound interest. <br> Profit and Loss: Solving problems related to profit and loss scenarios. | |

| Mental Ability & Logical Reasoning | Analysis: The ability to examine information, break it down, and understand its components to draw meaningful conclusions. | |

Visual Memory: Retaining and recalling visual information, such as images, shapes, or patterns, from memory.

Differentiation: Distinguishing between different elements or recognizing variations in patterns.

Observation: Noticing and paying attention to details, events, or changes in the surroundings.

Relationship Concepts: Understanding and identifying connections or associations between different ideas, objects, or concepts.

Numerical Reasoning: Applying logical reasoning to solve numerical problems or puzzles.

Numerical Numbers: Dealing with numerical information, understanding numeric patterns, and working with numbers.

Series and Coding/Decoding: Recognizing patterns in sequences or sets of numbers and interpreting coded information or messages based on specific rules.

We hope this article could provide complete details on the Bihar Vidhan Sabha DEO 2025. For the latest announcements & updates, best-in-class learning materials, mock tests, live quizzes, expert coaching, notes and more, download the Testbook App now and take the first step to ace your competitive exam preparation.

In addition to the position and competitive salary, Data Entry Operators under Bihar Legislative Assembly Secretariat are entitled to a range of allowances and benefits, enhancing the overall compensation package and ensuring employee welfare. Lets delve into the details provided below to gain a comprehensive understanding of these allowances:

Dearness Allowances (DRA):

• Dearness Allowance, determined by the government based on the employees position, supplements the basic pay to offset the impact of inflation.

House Rent Allowances (HRA):

• DEOs, not provided with government accommodations, receive House Rent Allowances to cover rental expenses.

Medical Benefits:

• Bihar Vidhan Sabha DEOs enjoy medical benefits, including medical allowances and access to treatment during medical emergencies. These benefits extend to the employee and their family members, ensuring comprehensive healthcare coverage.

Pension Benefit:

• Upon retirement, DEOs are entitled to a pension, providing financial security post-service.

As per the official notification, there is no mention of any kind of initial probation period for the candidates who will be selected for the post of Bihar Vidhan Sabha DEO. However, candidates are advised to keep a regular check on the official website of the Bihar Vidhan Sabha for more information regarding this.

Promotion, in this case, shall be from a Data Entry Operator to a Grade C post. It is decided by the board of the Bihar Vidhan Sabha secretariat. This promotion to a higher level takes place after 5-7 years. It is the experience that matters.