Question

i have read schand class 10 science .is it necessary to read ncert

Answer 1

if you are appearing for board exams then you should infact you are obliged to solve ncert to score good marks  solving S CHAND  is good but as its high time now so you must focus on ncert book first.

Answer 2

If you are appearing for board examination then must refer ncert first then other refreshers.

:):) it will be very much helpful to you.