Paper 1:

Polity:

• Our Constitution By Subhash C Kashyap
• Our Parliament By Subhash Kashyap
• Indian Polity By Sachchida Nand Jha
• NCERT (9, 10, 11 Class)

Economy:

• NCERT (9, 10, 11 Class)
• INDIAN ECONOMY 30TH ED NEW REV BY MISHRA, PURI
• Understanding the Problems of Indian Economy By UMA KAPILA
• The Economic Times News Paper
• Economic Survey
• Indian Economy By Yagya Nand Jha

Geography:

• NCERT (9, 10, 11 Class)
• Paryavaran Bhugol By Savinder Singh
• Geography By Yagya Nand Jha
• Geography: Mains Examination Topic Wise Question Analysis

History:

• India' S Struggle For Independence By Bipan Chandra
• Modern India, 1885-1947 By Sumit Sarkar
• NCERT (10, 11 Class)
• Mains Examination Topic Wise Question Analysis
• History Solved Papers (2002 - 2011) By Yagya Nand Jha

Science & Technology:

• NCERT (9. 10, 11 Class)
• Science Reporter Magazine
• General Science By S A Majid

Environment & Ecology:

• Ecology And Environment by Dr. P. D. Sharma

Current Affairs:

• The Hindu News Paper
• Yojana Magazine
• Krukshetra Magazine
• Civil Services Mentor Magazine