As per your concern I will tell you the exam pattern of SI post conducted by Railway Protection Force (RPF) so that you can check it easily.

Here is the exam pattern
Paper Total No. of Marks Total No. of Questions
General Intelligence and Reasoning 50 50

General Knowledge and General Awareness 50 50

Numerical Aptitude 50 50

English Comparison 50 50


Here is the syllabus
General Intelligence & Reasoning:
Analogies
Similarities And Differences
Spatial Visualization
Spatial Orientation
Problem Solving
Analysis
Judgment
Decision Making
Visual Memory
Discrimination
Observation
Relationship Concepts
Arithmetical Reasoning And Figural Classification
Arithmetic Number Series
Non-Verbal Series
Coding And Decoding
Statement Conclusion
Syllogistic Reasoning

General Awareness:
Sports
History
Culture
Geography
Economic Scene
General Polity
Indian Constitution
Scientific Research


Numerical Aptitude:
Computation of whole numbers
Decimals and fractions and relationships between numbers
Ability to translate from one name to another
Sense or order of magnitude
Estimation or prediction of the outcome of computation

English Comprehension:
This section will be designed to check the candidate’s English knowledge, vocabulary, sentence making, verbs comprehension and writing ability.