I found best chemistry book for jee mains recently and I can not resist myself to buy it . It is well written with short notes , jee mains topicwise questions and self practice problems all are solved . So nice book ohh sorry name of book is scholar chemistry for jee mains by Balaji publication.had never seen such a good book it's helping a lot to me.

For chemistry ncert books is best for concept building .For deep study
JD Lee  - Inorganic
OP Tandon- organic
R C Mukherjee- numericals

For maths RD.SHARMA objective book is more than enough

Physics

1.Arihant Series by D.C Pandey
2.Concept Of Physics by H.C Verma
3.Problems in Physics by I.E Irodov
4.Fundamentals of Physics by Resnik Halliday

Mathematics

1.Arihant Series by Amit M Agarwal, S.K Goyal, S.L.Loney
2.Higher Algebra by Hall & Knight
3.Problems of Calculus in One Variable by I.A Maron

Chemistry

1.Organic Chemistry by Morrison Boyd & Bhattacharjee
2.Inorganic Chemistry by J.D Lee
3.Physical Chemistry by P. Bahadur or by Peter Atkins

At last NCERT & NCERT Exemplar is must! Specially for Physics and Chemistry.