NCERT Books, NCERT Problem Solutions and Topic Wise Notes Based on NCERT: Free and Trusted for IAS, Bank PO, SSC, NET and More- FlexiPrep NCERT books are the basis for all competitive exam preparations. They are an excellent resource for relevant theory and practice problems for all grade levels. Flexiprep is your one stop website for all things NCERT. We have detailed solutions to NCERT problems and notes which are applicable to all competitive examinations.