NCERT books

General Sciences
http://www.ncert.nic.in/textbooks/X/scien-tech_X/ch_1.pdf
http://www.ncert.nic.in/textbooks/X/scien-tech_X/ch_2.pdf
http://www.ncert.nic.in/textbooks/X/scien-tech_X/ch_3.pdf
http://www.ncert.nic.in/textbooks/X/scien-tech_X/ch_4.pdf
http://www.ncert.nic.in/textbooks/X/scien-tech_X/ch_5.pdf
http://www.ncert.nic.in/textbooks/X/scien-tech_X/ch_6.pdf
http://www.ncert.nic.in/textbooks/X/scien-tech_X/ch_7.pdf
http://www.ncert.nic.in/textbooks/X/scien-tech_X/ch_8.pdf
http://www.ncert.nic.in/textbooks/X/scien-tech_X/ch_9.pdf
http://www.ncert.nic.in/textbooks/X/scien-tech_X/ch_10.pdf
http://www.ncert.nic.in/textbooks/X/scien-tech_X/ch_11.pdf
http://www.ncert.nic.in/textbooks/X/scien-tech_X/ch_12.pdf
http://www.ncert.nic.in/textbooks/X/scien-tech_X/ch_13.pdf
http://www.ncert.nic.in/textbooks/X/scien-tech_X/ch_14.pdf
http://www.ncert.nic.in/textbooks/X/scien-tech_X/ch_15.pdf
http://www.ncert.nic.in/textbooks/X/scien-tech_X/ch_16.pdf
http://www.ncert.nic.in/textbooks/X/scien-tech_X/ch_17.pdf
Human Geography
http://www.ncert.nic.in/textbooks/XII/Fundamentals_of_Human_Geography/chapter1.pdf
http://www.ncert.nic.in/textbooks/XII/Fundamentals_of_Human_Geography/chapter2.pdf
http://www.ncert.nic.in/textbooks/XII/Fundamentals_of_Human_Geography/chapter3.pdf
http://www.ncert.nic.in/textbooks/XII/Fundamentals_of_Human_Geography/chapter4.pdf
http://www.ncert.nic.in/textbooks/XII/Fundamentals_of_Human_Geography/chapter5.pdf
http://www.ncert.nic.in/textbooks/XII/Fundamentals_of_Human_Geography/chapter6.pdf
http://www.ncert.nic.in/textbooks/XII/Fundamentals_of_Human_Geography/chapter7.pdf
http://www.ncert.nic.in/textbooks/XII/Fundamentals_of_Human_Geography/chapter8.pdf
http://www.ncert.nic.in/textbooks/XII/Fundamentals_of_Human_Geography/chapter9.pdf
http://www.ncert.nic.in/textbooks/XII/Fundamentals_of_Human_Geography/chapter10.pdf
http://www.ncert.nic.in/textbooks/XII/Fundamentals_of_Human_Geography/appen-1.pdf
http://www.ncert.nic.in/textbooks/XII/Fundamentals_of_Human_Geography/appen-2.pdf
Physical Geography
http://www.ncert.nic.in/textbooks/XI/fun-phy-geo/chapter1.pdf
http://www.ncert.nic.in/textbooks/XI/fun-phy-geo/chapter2.pdf
http://www.ncert.nic.in/textbooks/XI/fun-phy-geo/chapter3.pdf
http://www.ncert.nic.in/textbooks/XI/fun-phy-geo/chapter4.pdf
http://www.ncert.nic.in/textbooks/XI/fun-phy-geo/chapter5.pdf
http://www.ncert.nic.in/textbooks/XI/fun-phy-geo/chapter6.pdf
http://www.ncert.nic.in/textbooks/XI/fun-phy-geo/chapter7.pdf
http://www.ncert.nic.in/textbooks/XI/fun-phy-geo/chapter8.pdf
http://www.ncert.nic.in/textbooks/XI/fun-phy-geo/chapter9.pdf
http://www.ncert.nic.in/textbooks/XI/fun-phy-geo/chapter10.pdf
http://www.ncert.nic.in/textbooks/XI/fun-phy-geo/chapter11.pdf
http://www.ncert.nic.in/textbooks/XI/fun-phy-geo/chapter12.pdf

http://www.ncert.nic.in/textbooks/XI/fun-phy-geo/chapter13.pdf
http://www.ncert.nic.in/textbooks/XI/fun-phy-geo/chapter14.pdf
http://www.ncert.nic.in/textbooks/XI/fun-phy-geo/chapter16.pdf
http://www.ncert.nic.in/textbooks/XI/fun-phy-geo/appendix.pdf
Indian Constitution
http://www.ncert.nic.in/textbooks/XI/indi-cont/Chapter-1.pdf
http://www.ncert.nic.in/textbooks/XI/indi-cont/Chapter%202.pdf
http://www.ncert.nic.in/textbooks/XI/indi-cont/Chapter-3.pdf
http://www.ncert.nic.in/textbooks/XI/indi-cont/CHAPTER4.pdf
http://www.ncert.nic.in/textbooks/XI/indi-cont/CHAPTER5.pdf
http://www.ncert.nic.in/textbooks/XI/indi-cont/CHAPTER6.pdf
http://www.ncert.nic.in/textbooks/XI/indi-cont/CHAPTER7.pdf
http://www.ncert.nic.in/textbooks/XI/indi-cont/CHAPTER8.pdf
http://www.ncert.nic.in/textbooks/XI/indi-cont/difficult%20trms.pdf
Business Studies
http://www.ncert.nic.in/textbooks/XI/business_studies/Prelims.pdf
http://www.ncert.nic.in/textbooks/XI/business_studies/chapter1.pdf
http://www.ncert.nic.in/textbooks/XI/business_studies/chapter2.pdf
http://www.ncert.nic.in/textbooks/XI/business_studies/chapter3.pdf
http://www.ncert.nic.in/textbooks/XI/business_studies/chapter4.pdf
http://www.ncert.nic.in/textbooks/XI/business_studies/chapter5.pdf
http://www.ncert.nic.in/textbooks/XI/business_studies/chapter6.pdf
http://www.ncert.nic.in/textbooks/XI/business_studies/chapter7.pdf
http://www.ncert.nic.in/textbooks/XI/business_studies/chapter8.pdf
http://www.ncert.nic.in/textbooks/XI/business_studies/chapter9.pdf
http://www.ncert.nic.in/textbooks/XI/business_studies/chapter10.pdf
Economics
http://www.ncert.nic.in/textbooks/XI/Economics_XI/Ch-1.pdf
http://www.ncert.nic.in/textbooks/XI/Economics_XI/Ch-2.pdf
http://www.ncert.nic.in/textbooks/XI/Economics_XI/Ch-3.pdf
http://www.ncert.nic.in/textbooks/XI/Economics_XI/Ch-4.pdf
http://www.ncert.nic.in/textbooks/XI/Economics_XI/Ch-5.pdf
http://www.ncert.nic.in/textbooks/XI/Economics_XI/Ch-6.pdf
http://www.ncert.nic.in/textbooks/XI/Economics_XI/Ch-7.pdf
http://www.ncert.nic.in/textbooks/XI/Economics_XI/Ch-8.pdf
http://www.ncert.nic.in/textbooks/XI/Economics_XI/Ch-9.pdf
http://www.ncert.nic.in/textbooks/XI/Economics_XI/Ch-10.pdf
http://www.ncert.nic.in/textbooks/XI/Economics_XI/Ch-11.pdf
http://www.ncert.nic.in/textbooks/XI/Economics_XI/Ch-12.pdf
http://www.ncert.nic.in/textbooks/XI/Economics_XI/Glossary.pdf
http://www.ncert.nic.in/textbooks/XI/Economics_XI/Appendices.pdf
Social Sciences
http://www.ncert.nic.in/textbooks/XI/Un_socity_XI/Chapter%201.pdf
http://www.ncert.nic.in/textbooks/XI/Un_socity_XI/Chapter%202.pdf
http://www.ncert.nic.in/textbooks/XI/Un_socity_XI/Chapter%203.pdf
http://www.ncert.nic.in/textbooks/XI/Un_socity_XI/Chapter%204.pdf
http://www.ncert.nic.in/textbooks/XI/Un_socity_XI/Chapter%205.pdf
http://www.ncert.nic.in/textbooks/XI/Un_socity_XI/Chapter%206.pdf
http://www.ncert.nic.in/textbooks/XI/Un_socity_XI/Chapter%207.pdf
http://www.ncert.nic.in/textbooks/XI/Un_socity_XI/Chapter%208.pdf
http://www.ncert.nic.in/textbooks/XI/Un_socity_XI/Chapter%209.pdf
http://www.ncert.nic.in/textbooks/XI/Un_socity_XI/Chapter%2010.pdf
http://www.ncert.nic.in/textbooks/XI/Un_socity_XI/Chapter%2011.pdf
http://www.ncert.nic.in/textbooks/XI/Un_socity_XI/Chapter%2012.pdf
http://www.ncert.nic.in/textbooks/XI/Un_socity_XI/Chapter%2013.pdf
Accountancy -I
http://www.ncert.nic.in/textbooks/XI/Accounts_XI/Chap-1.pdf
http://www.ncert.nic.in/textbooks/XI/Accounts_XI/Chap-2.pdf
http://www.ncert.nic.in/textbooks/XI/Accounts_XI/Chap-3.pdf
http://www.ncert.nic.in/textbooks/XI/Accounts_XI/Chap-4.pdf
http://www.ncert.nic.in/textbooks/XI/Accounts_XI/Chap-5.pdf
http://www.ncert.nic.in/textbooks/XI/Accounts_XI/Chap-6.pdf
Accountancy -II
http://www.ncert.nic.in/textbooks/XI/account-xi-part2/Chap-7.pdf
http://www.ncert.nic.in/textbooks/XI/account-xi-part2/Chap-8.pdf
http://www.ncert.nic.in/textbooks/XI/account-xi-part2/Chap-9.pdf
http://www.ncert.nic.in/textbooks/XI/account-xi-part2/Chap-10.pdf
India People and Economy
http://www.ncert.nic.in/textbooks/XII/India_People_and_Economy/Chapter%201.pdf
http://www.ncert.nic.in/textbooks/XII/India_People_and_Economy/Chapter%202.pdf
http://www.ncert.nic.in/textbooks/XII/India_People_and_Economy/Chapter%203.pdf
http://www.ncert.nic.in/textbooks/XII/India_People_and_Economy/Chapter%204.pdf
http://www.ncert.nic.in/textbooks/XII/India_People_and_Economy/Chapter%205.pdf
http://www.ncert.nic.in/textbooks/XII/India_People_and_Economy/Chapter%206.pdf
http://www.ncert.nic.in/textbooks/XII/India_People_and_Economy/Chapter%207.pdf
http://www.ncert.nic.in/textbooks/XII/India_People_and_Economy/Chapter%208.pdf
http://www.ncert.nic.in/textbooks/XII/India_People_and_Economy/Chapter%209.pdf
http://www.ncert.nic.in/textbooks/XII/India_People_and_Economy/Chapter%2010.pdf
http://www.ncert.nic.in/textbooks/XII/India_People_and_Economy/Chapter%2011.pdf
http://www.ncert.nic.in/textbooks/XII/India_People_and_Economy/Chapter%2012.pdf
http://www.ncert.nic.in/textbooks/XII/India_People_and_Economy/Chapter%2013.pdf
http://www.ncert.nic.in/textbooks/XII/India_People_and_Economy/Chapter%2014.pdf
http://www.ncert.nic.in/textbooks/XII/India_People_and_Economy/Chapter%2015.pdf
Accountancy
http://www.ncert.nic.in/textbooks/XII/accounta-xii/CHAP-1.pdf
http://www.ncert.nic.in/textbooks/XII/accounta-xii/CHAP-2.pdf
http://www.ncert.nic.in/textbooks/XII/accounta-xii/CHAP-3.pdf
http://www.ncert.nic.in/textbooks/XII/accounta-xii/CHAP-4.pdf
http://www.ncert.nic.in/textbooks/XII/accounta-xii/Chapter-5.pdf
http://www.ncert.nic.in/textbooks/XII/accounta-xii/Chapter-6.pdf
http://www.ncert.nic.in/textbooks/XII/accounta-xii/Chapter-7s.pdf
Accountancy II
http://www.ncert.nic.in/textbooks/XII/accountII-xii/chapter1.pdf
http://www.ncert.nic.in/textbooks/XII/accountII-xii/chapter2.pdf
http://www.ncert.nic.in/textbooks/XII/accountII-xii/chapter3.pdf
http://www.ncert.nic.in/textbooks/XII/accountII-xii/chapter4.pdf
Sociology
http://www.ncert.nic.in/textbooks/XII/Social_Change_in_India_XII/Chapter%201.pdf
http://www.ncert.nic.in/textbooks/XII/Social_Change_in_India_XII/Chapter%202.pdf
http://www.ncert.nic.in/textbooks/XII/Social_Change_in_India_XII/Chapter%203.pdf
http://www.ncert.nic.in/textbooks/XII/Social_Change_in_India_XII/Chapter%204.pdf
http://www.ncert.nic.in/textbooks/XII/Social_Change_in_India_XII/Chapter%205.pdf
http://www.ncert.nic.in/textbooks/XII/Social_Change_in_India_XII/Chapter%206.pdf
http://www.ncert.nic.in/textbooks/XII/Social_Change_in_India_XII/Chapter%207.pdf
http://www.ncert.nic.in/textbooks/XII/Social_Change_in_India_XII/Chapter%208.pdf
http://www.ncert.nic.in/textbooks/XII/Social_Change_in_India_XII/Chapter%209.pdf
http://www.ncert.nic.in/textbooks/XII/Social_Change_in_India_XII/Chapter%2010.pdf
Indian Society
http://www.ncert.nic.in/textbooks/XII/Structure_of_Indian_Society/Chapter%201.pdf
http://www.ncert.nic.in/textbooks/XII/Structure_of_Indian_Society/Chapter%202.pdf
http://www.ncert.nic.in/textbooks/XII/Structure_of_Indian_Society/Chapter%203.pdf
http://www.ncert.nic.in/textbooks/XII/Structure_of_Indian_Society/Chapter%204.pdf
http://www.ncert.nic.in/textbooks/XII/Structure_of_Indian_Society/Chapter%205.pdf
http://www.ncert.nic.in/textbooks/XII/Structure_of_Indian_Society/Chapter%206.pdf
http://www.ncert.nic.in/textbooks/XII/Structure_of_Indian_Society/Chapter%207.pdf
http://www.ncert.nic.in/textbooks/XII/Structure_of_Indian_Society/Chapter%208.pdf
http://www.ncert.nic.in/textbooks/XII/Structure_of_Indian_Society/Chapter%209.pdf
http://www.ncert.nic.in/textbooks/XII/Structure_of_Indian_Society/Chapter%2010.pdf
http://www.ncert.nic.in/textbooks/XII/Structure_of_Indian_Society/Chapter%2011.pdf
Biology
http://www.ncert.nic.in/textbooks/XII/BIoXII/Prelims.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-1.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-2.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-3.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-4.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-5.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-6.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-7.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-8.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-9.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-10.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-11.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-12.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-13.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-14.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-15.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-16.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-17.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-18.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-19.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-20.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-21.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-22.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-23.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-24.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-25.pdf
http://www.ncert.nic.in/textbooks/XII/BIoXII/Chapter-26.pdf

Macro Economics
http://www.ncert.nic.in/textbooks/XII/macroecono-XII/Ch%201.pdf
http://www.ncert.nic.in/textbooks/XII/macroecono-XII/Ch%202.pdf
http://www.ncert.nic.in/textbooks/XII/macroecono-XII/Ch%203.pdf
http://www.ncert.nic.in/textbooks/XII/macroecono-XII/Ch%204.pdf
http://www.ncert.nic.in/textbooks/XII/macroecono-XII/Ch%205.pdf
http://www.ncert.nic.in/textbooks/XII/macroecono-XII/Ch%206.pdf
http://www.ncert.nic.in/textbooks/XII/macroecono-XII/Ch%207.pdf
http://www.ncert.nic.in/textbooks/XII/macroecono-XII/Ch%208.pdf
http://www.ncert.nic.in/textbooks/XII/macroecono-XII/Ch%209.pdf
http://www.ncert.nic.in/textbooks/XII/macroecono-XII/Ch%2010.pdf
http://www.ncert.nic.in/textbooks/XII/macroecono-XII/Glossary.pdf
Micro Economics
http://www.ncert.nic.in/textbooks/XII/Introductory_Microeconomics_XII/Chap-1.pdf
http://www.ncert.nic.in/textbooks/XII/Introductory_Microeconomics_XII/Chap-2.pdf
http://www.ncert.nic.in/textbooks/XII/Introductory_Microeconomics_XII/Chap-3.pdf
http://www.ncert.nic.in/textbooks/XII/Introductory_Microeconomics_XII/Chap-4.pdf
http://www.ncert.nic.in/textbooks/XII/Introductory_Microeconomics_XII/Chap-5.pdf
http://www.ncert.nic.in/textbooks/XII/Introductory_Microeconomics_XII/Chap-6.pdf
http://www.ncert.nic.in/textbooks/XII/Introductory_Microeconomics_XII/Chap-7.pdf
http://www.ncert.nic.in/textbooks/XII/Introductory_Microeconomics_XII/Chap-8.pdf