As per your reference I will provide you Income Tax Department, Multitasking Staff exam syllabus, so that it would be easy for you to prepare.

Here is the syllabus
Reasoning
Logical Sequence of Words.
Visual memory
Problem Solving.
Figure Classification.
Alphabet Series.
Analysis
Judgment
Decision making
Non-Verbal Series.
Number Ranking.
Number Series.
Discriminating observation
Arithmetical Computation.
Analogy.
Coding-Decoding.
Relationship Concepts
Verbal and Figure Classification.
Arithmetical Number Series.
Arithmetical Reasoning etc

Numerical Aptitude
Number System.
Simplification.
Percentages.
Relationship between Numbers
Decimal & Fractions.
Profit and Loss.
Discounts.
Fundamental arithmetical operations
Ratio and Time.
Simple & Compound Interest.
Averages.
Computation of Whole Numbers
HCF & LCM.
Use of Tables and Graphs
Mensuration
Time and Work.
Time and Distance.
Data Interpretation etc.

English
Verb.
Adverb.
Articles.
Grammar.
Subject-Verb Agreement.
Tenses.
Fill in the Blanks.
Error Correction.
Comprehension.
Sentence Rearrangement.
Vocabulary.
Synonyms
Unseen Passages.
Idioms & Phrases.
Antonyms.

General Awareness
Indian Constitution.
Books.
History.
Culture.
Abbreviations.
Important Days.
Current Affairs – National & International.
Current events.
Geography.
Economic Scene.
Sports and Games.
General Politics.
Books and Authors.
Awards and Honors.
Economic Scene.
Science – Inventions & Discoveries.
Important Financial & Economic News.