As per your request, I am giving you age criteria for the Indian Administrative Services (IAS) exam.

IAS Age Criteria:

Candidate age should be between 21 years to 30 years. 5 years age relaxations given to SC/ST categories and 3 years age relaxation given to OBC category.

The upper age limit for SC/ST, OBC and unreserved candidates is 35, 33 and 30 years respectively.

Education:

The candidate should be graduate form recognized university in any discipline.

Nationality:

Must be Indian

Here, I am giving you IAS syllabus

CSAT Paper I: 200 Marks; Duration: Two Hours; Number of Questions: 100
Current Affairs: Events of national and international importance
History of India and Indian National Movement
Indian and World Geography - Physical, Social, Economic geography of India and the World.
Indian Polity and Governance – Constitution, Political System, Panchayati Raj, Public Policy, Rights Issues, etc.
Economic and Social Development – Sustainable Development, Poverty, Inclusion, Demographics, Social Sector Initiatives, etc.
General issues on Environmental Ecology, Bio-diversity and Climate Change (no subject specialization required)
General Science

CSAT Paper II: 200 Marks; Duration: Two Hours; Number of Questions: 80
Comprehension
Interpersonal skills including communication skills
Logical reasoning and analytical ability
Decision making and problem solving
General mental ability
Basic numeracy (numbers and their relations, orders of magnitude etc.) (Class X level), Data Interpretation (charts, graphs, tables, data sufficiency etc. - Class X level)
English Language Comprehension skills (Class X level).
Questions relating to English Language Comprehension skills of Class X level. (will be tested through passages from English language only without providing Hindi translation)