Ya sure I will get the DRDO Vehicle Operator post syllabus so that you can check it and I hope that you will clear exam easily.

Here is the syllabus

General Awareness
History – India & World.
Cultural Heritage.
Geography – India & World.
About India.
Indian National Movement.
Economy.
Indian Constitution.
Indian Polity & Governance.
Science & Technology etc.

General Intelligence
Number Series.
Coding-Decoding.
Non-Verbal Series.
Analogy.
Alphabet Series.
Decision Making.
Number Ranking.
Clocks & Calendars.
Directions.
Cubes and Dice.
Arithmetical Reasoning.
Blood Relations.
Mirror Images.
Embedded Figures etc.

Numerical Ability
Number System.
Percentages.
Decimal & Fractions.
Profit and Loss.
Simplification.
Problems on Ages.
Time and Work.
Average.
Ratio and Proportions.
Time and Distance.
HCF & LCM.
Mixtures & Allegations.
Simple & Compound Interest.
Data Interpretation etc.

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

Exam pattern
100 questions of General Awareness, General Intelligence, Arithmetic and Numerical Ability

25 questions of General English

25 questions of concerned post/job

The Written Exam Question Paper will contain 150 Multiple Choice (Objective Type)