Geography forms very important component of Mains GS-1 syllabus. Agriculture part of Mains GS-3 is also geography oriented. This post analyzes in detail questions asked so far in geography GS, trends and what to expect, sources/book list and answer writing strategy.
P.S. I gave 4 Mains with geography optional.

Also Read:
Ethics PYQP Section-A Detailed Analysis
Analysis:
- 2013 Mains: 11 questions asked. 3-4 questions were technical. Questions were a mix of 5-10 markers.
- 2014 Mains: 10 questions asked. All questions were 10 markers.
- 2015 Mains: 10 questions asked. All questions were 12.5 markers. All questions very easy.
- 2016 Mains: 8 questions asked. 1 question was technical (air mass). All questions were 12.5 markers.
A detailed analysis of all 63 questions asked in Mains GS-1 Geography. In this file, I have listed all 63 questions, marked technical questions asked and mentioned notes related to questions in hyperlinks.
Mains GS-1 Geography Detailed Analysis
- 2017 Mains: 8 questions asked. 1 question was technical (cryosphere). Questions were a mix of 10-15 markers.
- 2018 Mains: 8 questions asked. 1 question was technical (plume). Questions were a mix of 10-15 markers.
- 2019 Mains: 8 questions asked. 1 question was technical (ocean current and water masses). Questions were a mix of 10-15 markers.
Given the number of technical questions asked, aspirants need to study the subject and topics in depth. In below attached notes, you can find answers to various questions asked in Mains GS:
- Geomorphology Notes
- Climatology Notes
- Oceanography Notes
- Biogeography Notes
- Environment Keywords
- Perspective/Thoughts Notes
- Economic Geography Notes
- Population Notes
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Sample PDFs of Decode Ethics 4.0 Part-A & Part-B Books, Decode GS-2 Book & Decode History Book:
- Settlements-Regional Planning-Models & Theories Notes
- Physical settings
- Resources
- Agriculture
- Industries
- Transport
- Census Notes
- Settlement Notes
- Regional Development and Planning
Sources for GS-1 Geography:
- World: NCERT 9-10-11-12, G C Leong & Optional notes uploaded.
- India: NCERT 9-10-11-12, Vajiram Yellow Book & Optional notes.
- Census: Notes uploaded. Click here for document.
- Current: Hindu, Vision monthly & Insights secure compilation.
- My Geography Notes And Strategy.
GS Geography Answer Writing Session:
ATB!!!
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