Hi Afifa, For preparing for the LPUNEST exam, focus mainly on NCERT textbooks for physics, chemistry, and mathematics (class 11 and 12)

Consider supplementary resources like " Problems in Genral Physics " by I.E Irodov, " Understanding Physics " by DC Pandey and " Objective Mathematics " by R.D Sharma.

For general aptitude go for Ajay kumar, Anand kumar, for maths, V.Govorov, P.Dybov, N.Miroshin authors books