Physics:
Force & pressure,Friction,gravitation,solar system,mechanics(newton laws, centripetal,centrifugal forces,projectiles,angle of banking,potential & kinetic energy),liquids(capillarity,surface tension, viscosity),Sound,Heat,light,Electricity, Magnetism,satellites, modern physics (atomic energy, radio activity,cosmic, x rays, visible spectrum),Nuclear,space technology in India(latest happening in these areas)
Biology:
Cell structure,living organisms classification,life processes of plants and animals (nutrition,digestion, respiration, circulatory system,blood, excretion), control &coordination(nervous system, eyes,ears),endocrine system & reproduction,digestive enzymes,hormones,vitamins,infectious diseases,natural resources management(air, water, soil pollution,wetlands, forestry, wildlife)applications of biology(plant breeding, animal breeding, pesticides, bio fertilisers, biotechnology,stem cells),Institutions of National importance.
Chemistry:
Physical & chemical changes,Atoms &molecules,Acids,bases & salts,metals &non metals, fibers, periodic table classification,carbon compounds(hydrocarbons, polymers), bio molecules (carbohydrates,proteins,fats),nuclear fission, nuclear fusion,breeder reactors, metallurgy.
Science & Technology
Submarines, ISRO launches,DRDO tests,Antarctic/Arctic expeditions,Super computers,Science congress
All the above topics are the areas one need to look into but the scope of questions in exam may or may not be limited to above topics.
2.Indian Geography
Physical features of India ,landforms & their evolution,drainage basins,climate,soils,minerals,natural vegetation and wild life,population(growth,density,migration,sex ratio, occupation structure),economic activity in agriculture,industry,tourism,trade,transportation,services.
Suggested Reading:
3.History of India and Indian National Movement
History of India includes history especially cultural (arts, language & literature,architecture) from ancient,medieval and up to 1857 revolt. Indian national movement includes the personalities who shaped social reforms and freedom movement
Suggested Reading:
4.Mental Ability
This part will test the candidate ability in analytical and reasoning abilities. This includes, analogies, algebra, synonyms & antonyms,series,inferences etc.
Suggested Reading:
Quicker maths by M Tyra ( The questions in exam are of basic nature, entire content of book may not be relevant)
5.Current events of national and International importance
Summits
BRICS,World economic Forum, SAARC, G20,climate summits, WTO ministerial meets, Free trade with Europe,ASEAN and others,Nuclear Suppliers group(NSG),APEC, OPEC, EU etc. Countries visited by president,vice president and PM and treaties signed in the last one year, Energy(nuclear, oil&gas) cooperation with other countries
Domestic & international Institutions (political, economic, judicial)
UN,UNESCO,World bank,WTO,International Court of Justice,Heads of (Army, navy, airforce,ISRO,DRDO,Atomic energy commission,UPSC, Supreme court,SC,ST,BC,Women,human rights,law commissions, US ambassadors to India/from India to US & china)
Events
Recent events in the last one to one and half-year like(Japanese earthquake,laden death, Lokpal bill,Telangana struggle,Kashmir situation, wikileaks etc)
Sports
Cricket,tennis grand slam order & recent winners, commonwealth,FIFA games, Mascots, medals tally,Asian games, Olympics,chess,badminton,hockey,kabbadi,F1 tournaments etc
Prizes
Padmabhushan, jnanapith awards,Man Booker, Noble (all six),Alternate Nobel awards,Oscar awards winners(Indian entries 2010), Abel prize, Raman magsaysay, Indira Gandhi peace, Nehru awards,Cannes film festival, children film festivals etc.