Bihar Police Subordinate Service Commission (BPSSC) conducts the examination and recruitment for the Bihar Police Department. These examinations are held for different positions like ASI, Sergeant, SI and others.

The Bihar SI Important Topics have to be followed by the candidates applying for the Sub-Inspector position in Bihar Police Department. 

• BPSSC conducts examinations and recruitment in various positions in the state government of Bihar Police Department.
• Bihar SI recruitment is one of the examinations under BPSSC.
• The Bihar SI examination is a two-tier followed by a medical test, document verification and interview after which a candidate can get a job in Bihar Police Department.
• The Bihar SI test has different segments, like Reasoning, Mathematics, General Knowledge and Current Events, and Hindi Language.
• The Stage 1 and Stage 2 exam of Bihar SI has an offline and written multiple-choice question and answer format.
• Bihar SI General Knowledge and Current Events covers topics like Authors and Awards, War Defence, Soil and Rivers. 
• Bihar SI Mental Ability covers topics like Syllogism, Distance & Direction and Analogy.
• Bihar SI General Studies covers topics like Geography, History, and Polity.
• Bihar SI Hindi Language covers topics like Fill in the blanks, Spotting Errors, and Comprehension.
• Bihar SI Mathematics covers topics like Profit and Loss, Percentage, Time & Work and Simple & Compound Interest.
• Bihar SI General Science covers topics like Physics, Biology and Chemistry. 
• Cut-offs for Bihar SI exams are determined based on exam type and the number of candidates.
• Aspirants preparing for Bihar SI exams need to follow and practice the important topics to get qualified.

Bihar SI Prelims Exam Pattern

Aspirants have to qualify the Physical Eligibility Test before applying for the position of Bihar SI. After qualifying it, the candidates are eligible for the written examination. This is conducted in two parts, the Prelims followed by the Mains.

The candidates are required to attend the Prelims and secure the minimum qualifying marks to go for the next examination of Mains. The total marks are 200 with a time frame of 2 hours. It has the following exam pattern given below in the table. 

Subjects	Number of Questions	Maximum Marks	Time Duration
General Knowledge	100 Questions	200 marks	2 Hours
Current Events
Total	100 Questions	200 Marks

Bihar SI Prelims Important Topics from General Knowledge and Current Events

The Prelims Examination of Bihar SI has only focused on the General Knowledge and Current Events. This is a written examination and has objective types of question format. Aspirants require to keep themselves updated with the latest news and events taking place in the country and the world.

Also, the static GK topics are equally important for preparations of Bihar SI Prelims. Bihar SI Important GK Topics have been given below.

• Culture and Religion
• Soil and Rivers
• Mountains
• Ports
• Inland Harbours
• Capitals and Currencies
• Freedom Movement
• Sports: Winners/ Terms /No. of Players/Championships
• Current Affairs
• Defence
• Wars and Neighbours
• Full forms and Abbreviations
• Important National Facts about India
• Heritage and Arts, Dance, History
• Languages
• National : Flower/Bird/ Animal/ Sport /Flag/Anthem/ Song/ Monuments
• Eminent Personalities
• Common Names
• Diseases and Nutrition
• Discoveries
• Award and Authors

Bihar SI Mains Exam Pattern

Aspirants need to have a minimum of 30% marks in their Prelims to qualify for the Mains examination. The candidates appearing for this examination is almost 20 times that of the total number of vacancies. After cracking the first round of examination, the next stage is the Mains examination.

This is the second phase of examination with a total of 400 marks and 2 hours time duration. The exam is written one and is similar to that of the Prelims. The exam pattern has been provided in the table below. 

Papers	Subjects	Number of Questions	Maximum Marks	Time Duration
I	General Hindi	100 Questions	200 Marks	2 Hours
II	General Science + General Science + Indian History, Civics and Geography of India + Mental Ability + Mathematics.	100 Questions	200 Marks
Total	200 Questions		400 Marks

Bihar SI Mains Important Topics from General Hindi 

The Bihar SI Mains generally focuses on Hindi for language proficiency. Just like General English of different competitive examinations, the General Hindi also has vital topics like comprehension, fillers, sentence corrections, etc. Candidates need to have a good prowess over the language to score in this segment.

Moreover, weightage has been given to the Hindi section where 100 questions will be asked, and it carries 200 marks. Bihar SI Important Topics for Hindi have been discussed below.

• Comprehension
• Synonyms
• Antonyms
• Fill in the blanks
• Sentence Error
• Sentence correction
• Cloze Test

Bihar SI Mains Important Topics from General Studies

The General Studies for Bihar SI Mains syllabus is focused on historical, cultural, banking, sports and related topics. Below we have discussed all the vital topics of General Studies. 

• Indian History
• Geography
• Indian Polity
• Economy
• Current National & International events
• Banking
• Sports

Bihar SI Mains Important Topics from General Science

General Science is comprised of three main pillars of science which are Physics, Biology and Chemistry. Questions will be based on these subjects and candidates need to prepare accordingly.

• Physics
• Biology
• Chemistry

Bihar SI Mains Important Topics from Indian History, Civics and Geography of India

This subject is mainly concerned with History, Civics and Geography in context with India. Candidates need to prioritize on the Indian segment very well. Alongside this, they must be aware of the General Knowledge of Bihar.

The vital topics for Bihar SI Mains in Indian History, Civics and Geography of India have been given beneath. 

• History
• Culture
• Geography
• Environment
• Economic Aspects
• Panchayati Raj
• Freedom Movement
• Indian Constitution & Polity
• Community Development and 5 years Plan
• Major Features of Indian Agriculture & Natural Resources
• General Knowledge of the Geographical and Political condition of Bihar

Bihar SI Mains Important Topics from Maths

Aspirants need to prepare a little more on this segment as it involves critical questions. To get a hold on this section, candidates have to practice their analytical and problem-solving techniques. The Bihar SI Important Maths Topics includes the following chapters given below.

• Average
• Time & Work
• Percentage
• HCF LCM
• Area
• Simplification
• Profit & Loss
• Time & Speed
• Problem on Ages
• Investment
• Simple & Compound Interest
• Bar Graph
• Pictorial Graph
• Pie Chart
• Data Interpretation

Bihar SI Mains Important Topics from Mental Ability

Mental Ability is nothing but the Reasoning section that comes in different competitive examinations. The mental alertness of the aspirants is evaluated in this segment. It has a trickier set of questions and given below are the Bihar SI Important Reasoning Topics.

• Analogies
• Arithmetical Number Series
• Space Visualization
• Analysis
• Judgment
• Similarities and Differences
• Decision-Making
• Visual Memory
• Problem-solving
• Discriminating Observation
• Non-Verbal Series
• Relationship Concepts
• Verbal and Figure Classification

Bihar SI Cutoff Marks

Bihar SI Cut off is derived by calculating the minimum qualifying marks for each section. Here is the cut off for Bihar SI Exam:

• Cut-offs are determined based on the exam type and number of candidates.
• For each wrong question, there is a negative marking of 0.20 marks.
• The cut-offs are varied according to the different categories of the candidate.
• The minimum qualifying marks for the General category is 40%.
• The minimum qualifying marks for the SC/ST is 32%.
• The minimum qualifying marks for the Backward category are 36.5%.
• The minimum qualifying marks for the Extremely Backward category is 34%.

The aspirants willing to apply for the position of Bihar SI have to qualify for the Physical Eligibility Test. After which they can fill the online application for written examinations of Prelims and Mains.

After clearing these two examinations further, they must comply with the medical examination, documents verification and interview.