Ncert e-book

The pdf copy of NCERT text book is freely available. 

• The CBSE NCERT e-book site is listed below.
• Text books: >> https://ncert.nic.in/textbook.php
• Exemplar books  >> https://ncert.nic.in/exemplar-problems.php?ln=en

• The text book is also available through Android application ePathshala.
• The link to the application >>   https://play.google.com/store/apps/details?id=in.gov.epathshala&pcampaignid=web_share
• ePathshala also provide many other mode of education like video and audio.

Reference: CBSE Official Website