India’s Struggle for Independence – Bipan Chandra Indian Art and Culture by Nitin Singhania NCERT XI (Ancient & Medieval) NCERT XII (Modern Indian History)
Certificate Physical Geography – G C Leong NCERT VI – X (Old Syllabus) NCERT XI, XII (New Syllabus) World Atlas (Orient Black Swan)
Indian Polity – M Laxmikanth NCERT IX-XII
Indian Economy by Nitin Singhania Economic Development & Policies in India – Jain & Ohri NCERT XI
NCERT XII (Contemporary World Politics) Current Affairs
Tata McGraw Hill CSAT Manual Verbal & Non-Verbal Reasoning – R S Aggarwal
IAS General Studies Prelims Solved Papers – Vishal Publications
Give mock test before giving main exam.
Study by doing smart work instead of hard work.