Tamil Nadu Public Service Commission (TNPSC) conducts the written test for the Village Administrative Officer (VAO) exam.

As per your request, I am giving you syllabus for the TNPSC VAO exam.

Syllabus for the TNPSC VAO exam

General Science:

A. General Science
Physics
Chemistry
Botany
Zoology
B. Current Events
History
Political Science
Geography
Economics
Latest invention in Science and technology
C. Geography
D. History and Culture of India and Tamil Nadu
E. Indian Polity
F. Indian Economy
G. Indian National Movemen

Aptitude & Mental Ability Tests:

Analytical interpretation of data
Simplification
Percentage
Highest Common Factor (HCF)
Lowest Common Multiple (LCM)
Ratio and Proportion
Logical Reasoning
Puzzles
Dice
Visual Reasoning
Alpha numeric Reasoning
Number Series
Conversion of information to data
Collection
Compilation and presentation of data – Tables, graphs, diagrams
Simple interest
Compound interest Area
Volume
Time and Work

General English
Grammar
Literature
Authors and their Literary Works

Good books for the TNPSC VAO exam.

History
[Option 1] 6th to 12th Samacheer Kalvi Books
[Option 2] 12th NCERT Old Books - Modern India, Medieval India and Ancient India or
[Option 3] 12th NCERT THEMEs in Indian History

Geography
[Option 1] The Oxford School Atlas for India
[Option 2] The Orient BlackSwan School Atlas
[Option 1] 6th to 12th Samacheer Kalvi Books
Extra: 11th NCERT Books Fundamentals of Physical Geography.
Extra: 11th NCERT Books Indian Physical Geography Environment.
Economics
[Option 1] 6th to 12th Samacheer Kalvi Books
Indian Economy - by Ramesh Singh
Science
[Option 1] Tamil Nadu Samacheer kalvi Books 6th - 10th (Most Prefered for TNPSC Exams)
[Option 2] NCERTs

Aptitude
For Basics: 6th to 10th Samacheer kalvi Textbooks
For Practise and to cover all remaining topics

For Quantitative Aptitude:
Quantitative Aptitude Quantum CAT - Arihant Publications or
Fast Track Objective Arithmetic - Arihant Publications
For Reasoning
A Modern Approach To Verbal & Non-Verbal Reasoning