Upsc GS Prelims previous years solved papers Chapter wise 2001 to 2019 English (2730) contents Civil Services Exam: an overview advice: history solved papers: 2001-2019 history (ancient India) history (medieval India) history (modern India) history (art & culture) advice: Indian Polity and Governance solved papers: 2001-2019 Indian Polity and Governance advice: economics and social Development solved papers: 2001-2019 economics and social Development advice: Geography (India & world) solved papers: 2001-2019 Indian Geography world Geography advice: General issues on environment, diversity and Climate solved papers: 2001-2019 General issues on environment, diversity and Climate advice: General Science and Science & technology solved papers: 2001-2019 Physics Chemistry Biology Science & technology.