What is the role of NCERT books in preparation of IITJEE?Which books,in your opinion,I should prefer?

Dear Himanshu Gupta,

                                     yes there is a lot of good role of NCERT books in IIT as well in AIEEE...the following books for JEEpreparation,

http://www.askiitians.com/iit-study-material/

Chemistry: books from Arihant Publication, IIT Chemistry by O.P. Aggarwal
Physics: H.C.Verma, Resnik and Halliday
Math: K.C.Sinha , M.L.Khanna
Coordinate Geometry: S.L.Loney
Guides for IIT- Tata McGrow Hill Publication
MCQ Maths: Das Gupta
Guides and helps books of Arihant Publication, Dinesh Publications and MTG- Publication are very good and highly recommended for IIT JEE
Best Theory books for Physics: hc verma and pradeep

We are all IITians and here to help you in your IIT JEE  & AIEEE preparation.

All the best.

regards,

kishore-IIT Bombay