Below is list for various optional subjects and recommended books for  UPSC Civil Services Mains Examination.

UPSC Civil Services Optional Subjects/Optional Book List for UPSC (other than literature subjects):

S. No List of Optional Subjects in UPSC Book List
1 Agriculture Agricultural Economics and Farm Management Soil Science – D.K Das or Brady Agronomy by Yellamananda Reddy Plant Breeding by B.D. Singh Genetics by B.D.Singh Physiology by Pandey & Singha Introduction to Horticulture – Kumar Handbook of Agriculture by ICAR Agricultural Extension Education in India Pathology – Singh Entomology – Vasantha Raj & David The Hindu – Survey of Indian Agriculture Agriculture Statistics – Dept. of Agri. and coop. statistics at a glance Special Issue of Agriculture by The Hindu
2 Animal Husbandry and Veterinary Science A guide on forest Entomology – Regupathy A Textbook Of Animal Husbandry- G C Banerjee Advanced Animal Nutrition- D. V Reddy Agricultural Economics- S Subba Reddy Animal husbandry & veterinary science- T.N. Palanivelu Animal Husbandry- Gyan Deep Singh, Anmol Publishers Animal Physiology- K. A. Goyal, Rastogi Publishing Animal Physiology- Kavita Juneja, Anmol Publishers Basics Of Animal Physiology- Monalisa Kar, Anmol Publishers Biotech’s Dictionary Of Animal Husbandry – Daya Publishing Biotechnology Expanding Horizons – B D Singh, Kalyani Publishers Essentials Of Plant Breeding -Phundan Singh, Kalyani Publishers Fundamentals of Agriculture Volume-1 -Arun Katyayan, Kushal Publications Fundamentals Of Agriculture Volume-2 -Arun Katyayan, Kushal Publications General Agriculture- Muniraj S Rathore, Jain Brothers Handbook Of Agriculture, Publisher: ICAR Handbook Of Animal Husbandry -Manoj Kumar Rai, Oxford Book Company Horticulture At A Glance Volume II -A S Salaria, Jain Brothers Indian forestry – A breakthrough approach to forest service- K. S Manikandan and S. Prabhu Introduction To Agriculture – A K Vyas, Jain Brothers Milk And Milk Products Technology -Subhash Biswas, Jaypee Brothers Principles Of Agronomy- Yellamanda Reddy, Kalyani Publishers Principles Of Animal Nutrition & Feed Technology- D V Reddy, Oxford Principles Of Genetics & Animal Breeding- F H KHAN, Jaypee Brothers Textbook Of Animal Diseases -Ashok Kumar, Sonali Publication
3 Anthropology Physical anthropology by P. Nath Anthropology by Ember and Ember An Introduction to Social Anthropology by D.N.Majumdar & T. N. Madan An Introduction to Anthropological thought ( Theories) – by Makhan Jha Indian Anthropology by Nadeem Hasnain Indian Anthropology by R. N. Sharma Tribal India by Nadeem Hasnain Xaxa committee report State, society and tribes by Virginius Xaxa
4 Botany Cell Biology- De Robertis & Ambrose and Easy or Powar Cryptograms- B.R. Vasista Botany for Degree Students; Pteridophyta (Vascular Cryptogams)-P.C. Vashishta Ecology, Microbiology, Animal Behaviour, Pollution and Toxicology For B. Sc. Part III, Paper III- Dr Veer Bala Rastogi Economic botany in the tropics- S. L. Kochhar Embryology Of Angiosperms- S P Bhatnagar Genetics- Strickberger Elements of Genetics-Dr. Veer Bala Rastogi Microbiology- Powars Pathology- Singh’s book along with a foreign author Physiology and Biochemistry -Salisbury and Ross or Fritz and Noggle Plant Anatomy- Esau Plant Anatomy- B.P. Pandey Taxonomy-R Nair Systematic Botany-S C Datta
5 Chemistry INORGANIC CHEMISTRY: Atomic Structure – Principle of physical chemistry – Puri, Sharma & Pathwa Advance Inorganic Chemistry – J.D. Lee Chemical Periodicity, Chemical bonding,Coordination compound- Maden, Malik, Tuli Theoretical principles of inorganic chemistry – G.S. Manku, Extradiction of metals, Principle of inorganic chemistry – Puri, Sharma, Jauhar. Rest all the chapters – An advance inorganic chemistry – J.D. Lee Pollution and its control – A text book of environmental chemistry and pollution – S.S. Dara. PHYSICAL CHEMISTRY: Principals of Physical Chemistry (Gaseous state, Thermodynamics, Phase rule, solutions, Colligative properties, Electro Chemistry, Catalysis, Colloids) – Puri, Sharma & Pathawa Chemical kinetics – Advance physical chemistry – Gurdeep Raj Photo chemistry – A text book of physical chemistry (Vol. – IV) – K.L. Kapoor Advance physical chemistry – Gurdeep Raj ORGANIC CHEMISTRY: Bonding and shape of organic molecules, Stereo chemistry of carbon compound – Reactions and reagents – O.P. Agarwal A guide to mechanism in organic chemistry – Peter Sykes Rest all the chapters – A text book of organic chemistry – Bahl & Bahl
6 Civil Engineering Engineering Mechanics: Statics and Dynamics – Irving Herman Shames Strength of Material- Prof. S. Ramamrutham Mechanics for Engineers- B Johnson Structural Analysis- C. K. Wang Limit state design of steel structures: S K Duggal Design of steel structures: N Subramanian Engineering Mechanics – McLean Limit State Design – Ram Chandra Soil Mechanics – K.R. Arora Fluid Mechanics – Modi and Seth Surveying – Punmia Strength of Material – V. N. Vazaram Basic and applied Fluid Mechanics-Garde Theory of Structure: Volume- II – Vazirani and Ratwani Soil Mechanics and Foundation Engineering – A Singh and K R Arora Strength and Materials -UC. Jindal Introduction to Mechanics of Solids – Crandall, Stephen, Lardner, Thomas Engineering Hydrology – K. Subramanya Irrigation Engineering – S.K. Garg Strength of material – Gere and Timoshenko Concrete Technology – M.S. Shetty R.C.C. (WSM) – Syal and Goyal R.C.C. (LSM) – A.K. Jain Steel Structure – L.S. Negi Prestressed Concrete – N. Krishna Raju
7 Commerce & Accountancy PAPER-1 Corporate Accounting – Naseem Ahmed Accounting Standards- D. S. Rawat Cost Accounting; Theory & Problems- Maheshwari & Mittal Students’ Guide to Auditing- Aruna Jha (Taxmann) Income Tax book by- V.K. Singhania or Girish Ahuja Financial Management; Text & Problems- Khan & Jain Indian Financial System- M.Y. Khan Financial Institutions & Markets- L.M. Bhole PAPER-II Organisation Theory & Behaviour- B.P. Singh & T.N. Chabra Organisation Behaviour- L.M. Prasad Human Resource Management- C.B.Gupta Human Resource Management- K. Ashwathapa (Tata McGraw Hill) Industrial Relations- T.N. Chabra & R.K.Suri Dynamics of Industrial Relations- C.B. Mamoria & Satish Mamoria
8 Economics PAPER-I Microeconomics – Ahuja and Koutsyansis Macroeconomics – Ahuja and Mankiw International Economics – Salvatore and M.C Vaish Public Finance – Lekhi, Balton and Bhatia Money and Banking – Gupta and Ahuja RBI Website PAPER-II Indian Economy – Mishra and Puri, Dutt and Sundaram, Uma Kapila, Economic Survey, EPW, RBI Any One Business Newspaper – ET, The Economist or Financial Express
9 Electrical Engineering Principles of Electronics – V.K. Mehta Radio Engineering – G.K. Mithal Circuit Analysis – Gupta Electrical Technology – Thereja Electrical Power – Star Physics of Semiconductor Devices – Sze Automatic Control System – Kuo Elements of Engineering Electromagnetics – Rao Electromagnetic Waves and Radiating System – Jordan & Balmain Modern Central Engineering – Ogata Electromagnetic Waives and Field – R.N. Singh Control Systems Engineering – Nagrath Gopal Semi Conductor – Nagchoudhary Integrated Circuits – D. Roy Choudhary Network Analysis – Valkenbury Basic Current Analysis – Murthy Topics in Communication Theory – David Middleton
10 Geography PAPER-I Physical Geography – Majid Hussain/ Savindra Singh Modern Physical Geography – Strahler and Strahler (Optional) Certificate Physical and Human Geography – Goh Cheng Leong Physical Geography Made Simple – Rupa Publication Dictionary of Physical Geography – Penguin Evolution of Geographical Thought – Majid Hussain Economic and Social Geography Made Simple – Rupa Publication Models in Geography – Majid Hussain Dictionary of Human Geography Oxford Student Atlas PAPER-II India – A Comprehensive Geography – Khullar Regional Planning in India – Mahesh Chand India Year Book – Publication Division Yojana and Kurukshetra Magazines
11 Geology Geology: An Introduction – Kronaris and Krambine Text Book of Geology – P.K. Mukherjee Text Book of Physical Geology – Mahapatra Geomorphology – Woolridge or Tharnbury Principles of Petrology – G.W. Turrel Petrography – Williams Mineral and Crystal Science – V.C. Jesh Sedimentary Rocks – Petti John Underground Hydrology – David Keith Toad Igneous Rocks and Metromorphic Petrology – Turner Ocean – Squaredrop, Johnson and Bliming Simple Geological Structure – Plate and Charlincr B Soil Minerology – I. E. Grim A Dictionary of Geology – Morrison
12 History History of Modern India – Shekhar Bandopadhyaya/Bipan Chandra India’s Struggle For Independence – Bipan Chandra and Others India’s Ancient Past – R.S. Sharma The Wonder That Was India – A.L. Basham Ashoka and the Decline of the Mauryas – Romila Thapar Medieval India: From Sultanat to Mughals – 1- Satish Chandra Medieval India: From Sultanat to Mughals -2 – Satish Chandra Mastering Modern World History – Norman Lowe History of the World – Arjun Dev
13 Law Indian Penal Code Autochthon Pillai Ratanlal Dhiraj Lal Merchantile Law R.K. Bangia Avatar Singh Pollack and Mulla Law of Tort Autochthon Pillai R.K. Bangia Winfield Constitutional Law V.N. Shukla S.K. Kapoor J.N. Pandey Jurisprudence P.K. Tripathi Dias
14 Management Organisational Design: Khandwala; Madhukar Shukla Organisational Behaviour: Luthans and Robbins Strategic Cost Management: Business Today supplements Economics: Any good economics book Management: Terry and Franklin; Koontz and Donnel; Koontz and Weihrich Strategic Management: Michael Porter Marketing: Kotler and any one Indian author book(Saxena/Ramaswami etc.) Financial: Pandey/Chandra/Khan & Jain/Bearley Operations: Adams/Taha HRD: Mammoria/Monappa/Prasad/Flippo
15 Mathematics PAPER 1 Linear Algebra Schaum Series – Seymour Lipschutz Linear Algebra – Hoffman And Kunze Calculus Mathematical Analysis – S C Malik And Savita Arora Elements Of Real Analysis – Shanti Narayan And M D Raisinghania Analytical Solid Geometry – Shanti Narayan And P K Mittal Solid Geometry – P N Chatterjee Ordinary And Partial Differential Equations – M D Raisinghania Dynamics And Statics Krishna Series Vector Analysis Schaum Series – Murray R. Spiegel PAPER 2 Algebra – Contemporary Abstract Algebra – Joseph Gallian Real Analysis – Same As Calculus Of Paper 1 Complex Analysis Schaum Series – Speigel, Lipschitz, Schiller, Spellman Linear Programming And Game Theory – Lakshmishree Bandopadhyay Partial Differential Equations Same As Ode Of Paper 1 Advanced Differential Equations – M D Raisinghania Numerical Analysis And Computer Programming Computer Based Numerical And Statistical Techniques – M.Goyal Numerical Methods – Jain, Iyengar And Jain Digital Logic And Computer Design – M. Morris Mano Mechanics And Fluid Dynamics Krishna Series
16 Mechanical Engineering Fundamentals of Classed Thermodynamics – Van Wylen Heat Transfer – Gupta Prakash Heat and Mass Transfer – R. Yadav Energy Conversion – Sukhalmoy Environmental Pollution Central Engineering C S Rao Surveying and Levelling – T P Kanetakar Heat Conversion – Arora & Kundwar Manufacturing Science – R K Jain Thermodynamics – R Yadav Theory of Mechanics – S S Rattan Theory of Mechanism and Mechanics – Jagdish Lal. Mechanic of Solids – Popru Manufacturing Science – Ghosh and Malik Manufacturing Technology – P N Rao Production Manangement – R K Jain Principles of Manufacturing Material & Process – Campbeu
17 Medical Science Human Anatomy—B D Chaurasia books of Anatomy (all three volumes); Embryology from I B Singh; Human Physiology– Ganong; Guyton and A.K.Jain book Biochemistry– by U. Satyanarayan’s book. Pathology– Pathological basis of disease by Robbins and Cotran, one can also refer to Harshmohan’s book also. Pharmacology– K D Tripathi’s book or even Lipincott is very good for memory point of view. Microbiology– D R Arora’s book. And same author’s book for medical parasitology. Forensic medicine– Essentials of Forensic medicine and Toxicology by Dr. K S Narayan Reddy. (Community medicine)Preventive and social medicine– K Park’s book is sufficient enough. General Medicine– there are various books for medicine and no one is complete. Highly recommend reading only those books which you have referred during your graduation years. General Surgery– Manipal’s manual of surgery. For Differential diagnosis part one can refer to clinical surgery by S Das. Pediatrics– Essential pediatrics by O P Ghai, Paul and Bagga. For d/d one can refer to DR. Mayoor K cheda book. Deramatology– illustrated synopsis of Dermatology and sexually transmitted diseases by Neena Khanna. Obstetrics and gynecology including family planning– Obstetrics by D C Dutta. And for gynecology either D C Dutta’s book or Shaw’s Gynecology.
18 Philosophy PAPER I W. T. Stace: A Critical History of Greek Philosophy (Plato and Aristotle). Copleston: A History of Philosophy (Relevant Chapters from volume I, IV, V, VI, VII, VIII, IX & XI). Anthony Kenny: A New History of Western Philosophy. OUP Oxford. Datta & Chatterjee: An Introduction to Indian Philosophy. Rupa Publishing. C. D. Sharma: A Critical Survey of Indian Philosophy. MLBD. Oxford Dictionary of Philosophy. PAPER II John Hick: Philosophy of Religion. Michael B. Wilkinson: Philosophy of Religion: An Introduction. O. P. Gauba: Social & Political Philosophy. Political Theory, An Introduction. Edited By Rajeev Bhargava & Ashok Acharya. Oxford Dictionary of Politics.
19 Physics Classical Mechnism -Gupta, Kumar & Sharma – Takewale & Puranik -H.Goldstein Mechanics – Kleppner & Kolenkov -D.S. Mathur Wave/Spl.Relatively – D.S. Mathur/Kleppner&Kolenkov Special Relativity-R.Resnic -Gupta & Goyal Optics-Ajay Ghatak-B.S. Agarwal Electrodyanamics – David Griffiths EM Theory -Chopra&Agarwal/Satya Prakash Thermal Physics – P.K Chakraborty – Satya Prakash, Singhal & Agarawal -Statistical Physics -B.B laud Quantum Physics- Resnick & Eisberg Concept of Mordern Physics – Arthut Bevser Quantum Mechanics -Ghatak & Loknathan/Chatwal & Anand/Satya Prakash Atomic & Molecular Spectra -Rajkumar Nuclear Physics -S.B Patel Solid State Physics -Kittel Electronics -Allon Mottershed Objective Physics -H.C. Verma/TMH
20 Political Science & International Relations A History Of Political Thought: Plato To Marx – Mukherjee and Susheela Ramaswamy Introduction to Political Theory – O P Gauba Politial Theory – Rajeev Bhargava Politics – Heywood Global Politics – Heywood International Relations -Khanna Foundations of Indian Political Thought – V R Mehta Introduction to the Constitution of India – D D Basu India’s Struggle For Idependence – Bipan Chandra Indian Government and Politics – B L Fadia Does The Elephant Dance? Contemporary India Foreign Policy – Malone
21 Psychology Psychology XI & XII Std NCERT Introduction to Psychology Morgan & King Systems & Theories of Psychology Krawiec & Chaplin Psychology by Morgan and King Psychology by Ciccarelli Social Psychology Baron & Byrne Theories of Personality Hall & Lindzey Psychology Robert A Baron Statistics for Psychology by Aron, Aron, Coups Social Psychology by Robert Baron, Branscombe, Gopa Bhardwaj, Byrne Tests, Measurements and Research Methods in Behavioural Sciences by A K Singh – Bharti Bhawan publications Social Psychology by Robert Baron, Branscombe, Gopa Bhardwaj, Byrne The Psychology of Small Groups Shaw
22 Public Administration Indian Public Administration – Arora and Goyal Public Administration In India 1st Edition – Maheshwari Public Administration In India – B L Fadia (optional) Public Administration – Laxmikant Administrative Thinkers – Prasad and Prasad New Horizons of Public Administration – Mohit Bhattacharya Public Administration – Fadia and Fadia Public Administration and Public Affairs 12th Edition – Nicholas Henry Essentials Of Organizational Behaviour10th Edition – Robbins, Sanghi and Judge
23 Sociology PAPER-I Sociology – Anthony Giddens Sociology – Harlombos and Holborn Sociological Thought – Francis Abraham and John Henry Morgan Political Theory – O P Gauba PAPER-II Social Change in India – M N Srinivas Modernization of Indian Tradition – Yogendra Singh Handbook of Indian Sociology – Veena Das Indian Society and Culture – Nadeem Hasnain Rural Sociology – Doshi and Jain Social Background of Indian Nationalism – A R Desai
24 Statistics An Introduction to Probability Theory & Mathematical Statistics -V K Rohtagi Fundamentals of Statistics (2 Vol.)- A M Goon, M K Gupta and B Dass Gupta Introductory Probability and Statistical Applications – Paul Meyer Sampling Techniques-William G. Cochran Sampling Theory of Surveys with applications – B. V Sukhatme & B V Sukhatme An Outline of Statistical Theory (2 Vol.) -A M Goon, M K Gupta and B .Dass Gupta Fundamentals of Mathematical Statistics-A C Gupta and V K Kapoor Fundamentals of Applied Statistics-S C Gupta and V K Kapoor
25 Zoology Cell and molecular bilogy – De Robertis, C.B. Powar Comparative anatomy of vertebrate zoology – Kent Animal physiology – H.R. Singh, Vander Biochemistry – Harper, Leninger, Stryer, Rao Embryology – Balinsky, A.K. Berry, Vir Bala Rastogi Organic evolution – Veer Bala Rastogi Genetics – P.K. Gupta, Gardner, Ahluwalia, Vir Bala Rastogi Invertebrates – R.L. Kotpal, Nigam, Jordan Vertebrates – R.L. Kotpal, Nigam, Jordan and Varma Ecology – P.D. Sharma, Odum, Vir Bala Rastogi and M.S. Jayaraj, Kotpal and Bali Economic Zoology – Shukla and Upadhaya, Kotpal- Khetrapal – Aggarwal Ethology – Reena Mathur, Magazines like Science Reporter, Nature General Zoology – Storer and Usurger Physiology – H.R. Singh Evolution – Vir Bala Rastogi A Dictionary of Entomology – Leftwich