As you want here I am giving below UPSC IES General Studies paper syllabus on your demand :

( Stage-I, Paper-I).

General Studies and Engineering Aptitude

(Stage I – Paper I, Objective type, Common to all Candidates, 2 hours duration, 200 Marks maximum)

The questions from the following Topics will be set in Paper-I of Stage-I

Current issues of national and international importance relating to social, economic and industrial development
Engineering Aptitude covering Logical reasoning and Analytical ability
Engineering Mathematics and Numerical Analysis
General Principles of Design, Drawing, Importance of Safety
Standards and Quality practices in production, construction, maintenance and services
Basics of Energy and Environment : Conservation, environmental pollution and degradation, Climate Change, Environmental impact assessment
Basics of Project Management
Basics of Material Science and Engineering
Information and Communication Technologies (ICT) based tools and their applications in Engineering such as networking, e-governance and technology based education.
Ethics and values in Engineering profession