Thanks to NCERT ( 3rd std )

1. http://www.ncert.nic.in/index.html
2. http://www.ncert.nic.in/NCERTS/textbook/textbook.htm?ceap1=3-24
3. http://www.ncert.nic.in/NCERTS/textbook/textbook.htm?ceap1=7-24
4. http://www.ncert.nic.in/NCERTS/textbook/textbook.htm?ceap1=20-24
5. http://www.ncert.nic.in/NCERTS/textbook/textbook.htm?cemh1=3-14
6. http://www.ncert.nic.in/NCERTS/textbook/textbook.htm?cemh1=13-14
7. These are more helpful for those parents and teachers who can go through these links and make the best use of it, by understanding, analysing and guiding children .
8. Our Hearty thanks and appreciation to all who took so much of pains and making of these lessons and books.
9. http://www.ncert.nic.in/NCERTS/textbook/textbook.htm?ghvs1=3-20 7th std.