Official NCERT e-books (Classes 1 to 12) can be downloaded for free in PDF format directly from the official portal at ncert.nic.in or via the ePathshala platform.  Download complete NCERT book PDF Class 10/12 Step-by-Step Instructions Official direct links to access and download NCERT e-books (Classes 1,2,3,4,5,6,7,8,9,10,11 ,12): Visit the Portal: Go to the official NCERT e-books page: ​ Main PDF Portal (Classes I–XII): [NCERT Textbooks PDF (I–XII) Direct Link]( https://ncert.nic.in/textbook.php )   Select Details: Choose your Class, Subject, and Book Title from the drop-down menus. Click 'Go': Select Go to load the textbook. Download Chapter-wise NCERT solution & book PDF Chapter-Wise: Click on individual chapter links on the left menu (e.g., Chapter 1, Chapter 2) to view and save specific PDFs. Complete Book: Scroll to the bottom of the left sidebar and click "Download Complete Book" to get a single .zip file containing all chapters. ​ NCERT  Comple...