well frnd
i ve answred u before on ur tpc"vmc or fiitjee". its god to help u again.
the first thing is; dont be confused, in any manner.
now for books
for phy. use h.c. verma . if u find some chap. in startin a bit difficult esp. ques of chap 3 and newtons law then u can also use resnic.
for chem. use r.c. mukherjee and o.p. agarwal in startin. ncert is a bit irritating in starting esp. first 3 chap.
for maths use r.d. sharma class 11 n s.l. loney. m.l.khanna is also gud.
rate if like.