Which books to refer to for Geography Optional ?
There are actually 8 books that cover almost 80-85% of the syllabus.
It is updation, enrichment and deeper conceptual clarity that requires more books and coverage of current affairs based questions. Sincerely managing GS goes a long way in helping geography too.
NCERT-XI & XII
Made Simple Series by Rupa Publication-Vol-I & II
A certificate course in geography by Goh Cheng Leong
Physical Geography- By Savindra Singh (If one wants to avoid specialised books for Physical Geography syllabus. There are 5 specialised books by Savindra Singh have certain specific chapters which are not covered through the above book. Coverage of above Physical Geography text book covers almost 80% of the physical geography syllabus). For the other topics of the Physical geography syllabus, one has to refer to about 2-3 chapters from each of the below books: One can take photocopies of the select chapters from libraries and study rather than buying these books
Geomorphology-By Savindra Singh
Oceanography- By Savindra Singh
Climatology- By Savindra Singh
Environment Geography-By Savindra Singh
Biogeography- By Savindra Singh
Indian Geography by D R Khullar
Human Geography by Majid Hussain
Models and theories by Majid Hussain
Geographical thought by Dixit
Geographical thought by Sudipta Adhikary ( A good supplement for Thought topics)
NCERT class X text book, (Old Edition) is good for Economic Geography Coverage. It will also help GS geography topics like- World Industries, World Resources distribution and trade.
Settlement Geography by K Siddhartha
Like in all other subjects, and in GS, students must read up various magazines and current affairs based enrichment. Some of the sources one can be regular with are:
Greagraphy and You
NITI Aayog reports (particularly, those on Agriculture, Infra, Regional development, Rural development etc)
Select UN docs on Population, development & Env. (UNDP is most helpful)