You must make sure that your exhibit should not require more than 6'X3' (approx.) of space for display. The project/exhibit must be supported with Charts/Reports and other support materials. As far as possible it should be a working model based on some original and innovative concept.
(Refer to guidelines on the CBSE's website for further details)
Life without love is like a tree without blossoms or fruit. - Khalil Gibran