List of books for GS Preliminary:Polity: Indian Polity by M Laxmikant, Spectrum Indian Polity, An Introduction to Constitution of India by DD Basu, Our Constitution by Subhash Kashyap,www.prsindia.org/billtrackHistory: India’s Struggle for Independence by Bipin Chandra, Spectrum Modern India by Rajiv Ahir, NCERT Class XI/XII books for Ancient India and Medieval IndiaCulture: Spectrum Facets of Indian Culture, Chronicle Special Issue on CultureEcology & Environment: Environmental Studies by Erach Bharucha, ICSE Class X textbook, Website of Environment MinistryGeography: NCERT Class XI and XII, Atlas of India (Oxford), Goh Cheng Leong’s Certificate Physical and Human GeographyScience & Technology: Reports of Ministry of Science & Technology (website), Science Reporter magazine, Spectrum’s Science & Technology in IndiaEconomy: Economic Survey of IndiaCurrent Affairs: Vajiram Printed Yellow Books (covering 1 year before prelims)GoI Schemes & Welfare Policies: India Year Book (All Ministries/Departments policies and schemes)Magazines: Chronicle, Civil Services Times, Wizard, Yojana, Kurukshetra, EPW, Frontline, World Focus (for International Affairs)Newspapers: Hindu, Indian ExpressAdditional Book: Spectrum Handbook for General Studies Paper-I, 23rd Revised Edition, 2013

Since I had around one and a half months for Prelims prep, I could only manage to go through the following:Polity: Indian Polity by M Laxmikant, Spectrum Indian Polity

History: India’s Struggle for Independence by Bipin Chandra, Spectrum Modern India by Rajiv Ahir

Culture: Spectrum Facets of Indian Culture

Ecology & Environment: Module on Environment in Spectrum Handbook for GS Paper-I (2012)

Geography: All NCERTs for Class XI and XII, Atlas of India (Oxford)

Science & Technology: Didn’t prepare specifically (relied upon my engg and non-med knowledge)

Economy: Economic Survey of India

Current Affairs: Vajiram Printed Yellow Books (covering 1 year before prelims)

GoI Schemes & Welfare Policies: India Year Book (All Ministries/Departments policies and schemes)Magazines: Chronicle, Yojana, KurukshetraNewspapers: HinduI also read Polity, History, Science, Ecology & Environment, Census 2011 (GK) modules from Spectrum Handbook for General Studies Paper-I, 2012.