i think you should go for resonance packages for chemistry it is best for theory but you could go for either those or arihant objective on chemistry and also disha's book on inorganic chemistry as it provides good ways to memorise important facts of inorganic also arihant's organic chemistry book is really good.
i got 2545 rank in iit after following these books
NITIN(PLEASE RATE IF YOU FOUND THIS HELPFUL)