Civil Services & State PSC Exams: How They Work, Pattern & Preparation
Civil services exams select administrators — IAS, IPS, IFS and allied services through UPSC, and Deputy Collectors, DSPs and other state-level officers through each State Public Service Commission (PSC) such as UPPSC, MPSC, BPSC and RPSC.
They are the longest selection processes in India: an objective Prelims to shortlist, a descriptive Mains to test depth and writing, and an interview for personality. Preparation usually takes one to two years, and the same core study serves UPSC and your state PSC.
Conducted byUPSC & State PSCs
StagesPrelims → Mains → Interview
FrequencyOnce a year
EligibilityGraduation in any discipline
How it works
How State PSC selection works, step by step
Prelims (screening)
Objective papers on General Studies and aptitude (CSAT). Marks only decide who qualifies for Mains — they do not count in the final merit.
Mains (descriptive)
Written answer papers: essay, general studies papers, an optional subject (UPSC and some states), and qualifying language papers.
Interview / personality test
A board assesses awareness, judgement, ethics and suitability for public service.
Final merit
Mains + interview marks decide rank, and rank decides service and cadre allocation.
UPPSC PCS, MPSC Rajyaseva, BPSC CCE, RPSC RAS and other state civil services recruit Deputy Collectors, DSPs, Block Development Officers and similar posts.
Most follow the UPSC model — an objective Prelims (General Studies, often with a qualifying CSAT paper), a descriptive Mains and an interview — but the number of papers, the optional subject rule, negative marking and the weight of state-specific GK (history, geography, economy and culture of that state) vary. Always read your state commission's latest notification.
Syllabus
Subjects and important topics
History & Culture
Ancient, medieval & modern IndiaFreedom strugglePost-independence IndiaArt & cultureWorld history (Mains)
Polity & Governance
ConstitutionParliament & state legislaturesJudiciaryFederalismLocal governmentGovernance & rights issues
Science & technologyInternal securityEthics, integrity & aptitude (GS IV)National & international current affairsState-specific current affairs (PSC)
CSAT
Reading comprehensionLogical reasoningAnalytical abilityBasic numeracy (class 10 level)Data interpretationDecision making
Strategy
How to prepare for State PSC exams
01NCERTs first, then standard books
Class 6–12 NCERTs build the base for every subject. Move to standard reference books only after.
02Integrate Prelims and Mains
Study each topic for both stages together — facts for Prelims, analysis and answer-writing for Mains.
03Write answers every week
Mains is a writing exam. Practise timed answers (150–250 words) weekly and get them reviewed.
04Don't neglect CSAT
CSAT is qualifying but has eliminated many strong GS candidates. Take a few CSAT mocks well before Prelims.
05Cover your state for PSC exams
State PSCs ask a large share of questions on the state's history, geography, economy and schemes. Add a state-specific book to your list.
FAQs
Frequently asked questions about State PSC exams
How many attempts are allowed in UPSC Civil Services?
General category candidates get 6 attempts up to age 32. OBC candidates get 9 attempts up to 35, and SC/ST candidates have unlimited attempts up to 37 (as per current rules).
Are Prelims marks counted in the final merit?
No. Prelims only qualifies you for Mains. The final merit is based on Mains (1,750 marks) and the interview (275 marks).
Can I prepare for UPSC and state PSC together?
Yes. Most of the syllabus overlaps. Add state-specific GK and current affairs, and follow your state's exam pattern.
Is there negative marking in UPSC Prelims?
Yes — one-third of the marks for that question are deducted for each wrong answer, in both GS and CSAT.
How long does it take to prepare for civil services?
Most successful candidates prepare for 12–24 months with consistent daily study and regular answer-writing practice.
Exam patterns, marks and eligibility are based on the latest notifications available and can change from one cycle to the next.
Always confirm the details in the official notification on
upsc.gov.in before you apply.
Practise for State PSC exams
Free full-length mock tests with an instant all-India rank.
