Hello,

When it comes to preparation regarding UPSC, start  with NCERTs first as this will build your foundation strong, and then onwards move towards other standard books.

For Prelims, refer the following books:

History ;

• NCERT Class XI and XII
• India's Struggle for Independence by Bipin Chandra
• For Indian Culture, refer art and culture by Nitin Singhania

Geography ;

• NCERT Class VI to XII
• GC Leong's Physical Geography
• World Atlas

Economics ;

• NCERT Class XI
• Indian Economy by Ramesh Singh

International Relations & Polity ;

• NCERT XII Political Science with current affairs
• Indian Polity by Laxmikanth

CSAT ;

• Verbal and Non-Verbal Reasoning by RS Agarwal
• M Tyra's Quicker Maths

You can refer the following books regarding  four General Studies Paper for Mains Exam

GS I - For History , Class XI NCERT book with India's struggle for Independence by Bipin Chandra,India after Independence by Bipan Chandra,History of Medieval India by Satish Chandra

For Geography refer World Geography and Geography of India by Majid Hussain, GC Leong's Physical and Human Geography with NCERT Class XI book.

GS II - Polity and International Relations , refer Indian Polity by Lamikanth,India's Foreign Policy by Rajiv Sikri

GS III - For Economics refer Indian Economy by Ramesh Singh, read ARC report along with Economic Survey and Fiscal Budget.

GS IV - For Ethics refer a book named Lexicon by Niraj Kumar, also you can go through study material of IGNOU.

Always remember to keep your resources minimal, read one book many a times instead of many a book one time, revision is the key here, it'll take a lot of time to get acquainted with these, for instance Polity by Laxmikanth is one such that has to be time and again, at first it might be even difficult to grasp concepts or remember such volume of knowledge, but as I said keep revision it, you may read the chapters in weekdays and in weekends you may solve model papers. Doing this will also give you an idea how effectively you're being able to express the knowledge in the paper.

Hi

Top books which you can follow for UPSC IAS examination preparation are listed below subject wise:-

HISTORY

*NCERT XI (Ancient & Medieval)
*NCERT XII (Modern Indian History)
*Facets of Indian Culture Spectrum
*From Plassey to Partition - A History of Modern India

Indian Art & Culture

*Indian Art & Culture - Nitin Singhania

Polity

*NCERT IX-XII
*Indian Polity M Laxmikanth

Geography

*NCERT VI X (Old Syllabus)
*NCERT XI, XII (New Syllabus)
*Certificate Physical Geography G C Leong
World Atlas

Economics

NCERT XI
*The Indian Economy Sanjiv Verma
*Indian Economy by Ramesh Singh
*Economic Development & Policies in India Jain & Ohri

Environment

*Class XII Biology (last 5 chapters)
*Environment by Shankar IAS Academy

International Relations

*NCERT XII (Contemporary World Politics)
*Current Affairs ( read newspaper )

To get the complete list of books go through
https://competition.careers360.com/articles/books-for-upsc-ias

Thank you

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