good books in my opinion
chemistry--
physical chem--op tandon+p bahdur
inorganic--op tandon/jdlee
organic--morrison boyd + arihant
maths
rd sharma
arihant publication-algebra, differentian and integral calculus
algebra--hall and knight
sl loney--trigonometry and coordinate geometery
physics
hc verma(vol 1 and 2)
ie irodov
halliday,resnick and walker
dear friend there is no such thing best book.the main principle of clearing exam is that you should have a good command over each subject
thanks and regards
sunil kr
askIItian faculty