UPSC SYLLABUS
The UPSC (Union Public Service Commission) conducts the Civil Services Preliminary Exam which is common for the candidates applying for Civil Services Examination and Indian Forest Service Examination, and acts as a screening mechanism for selection of candidates for the Civil Services (Main) Examination and Indian Forest Service (Main) Examination.
IFS Mains Syllabus –
Agriculture | Forestry | Botany | Animal Husbandry & Veterinary Science | Chemistry | Zoology | Physics | Mathematics | Geology | Agricultural Engineering | Chemical Engineering | Civil Engineering | Mechanical Engineering | Statistics |

Civil Services Examination Mains (CSE) Syllabus –
Agriculture | Botany | Animal Husbandry & Veterinary Science | Chemistry | Zoology | Physics | Mathematics | Geology | Law | History | Civil Engineering | Mechanical Engineering | Statistics | Medical Science | Management | Geography | Electrical Engineering | Economics | Commerce & Accountancy | Sociology | Psychology | Public Administration | Political Science & International Relations | Philosophy |

Know More: Year Wise Question Papers – UPSC – IFS (MAINS)
Year Wise Question Papers – UPSC – CSE (MAINS)