Dear Nitish

Go through this link.You can find out important for books for preparation of IIT-Jee

http://www.askiitians.com/Important-books-iit-jee.aspx

Please feel free to post as many doubts on our discussion forum as you can.we will get you the answer and detailed  solution very  quickly.

All the best.

Regards,
Askiitians Experts
Prudhvi Teja

for maths.

first finish up ncert of 11th and 12th to build up your concepts.. 

• ALGEBRA
  • High school mathematics by Hall and Knight
  • IIT Maths by M.L. Khanna
• CALCULUS amp; ANALYTIC GEOMETRY
  • G.N.Berman
  • Calculus and analytic geometry by Thomas and Finney
  • Coordinate geometry by Loney
  • IIT Maths by M.L. Khanna
  • I.A.Maron
• VECTORS
  • IIT Maths by M.L. Khanna

for chemistry,

1st, strictly learn from chem ncert.

• ORGANIC CHEMISTRY
  • Morrison & Boyd
  • Solutions to Morrison Boyd
  • Reaction mechanism in Organic Chemistry by Parmar ∓ Chawla
• INORGANIC CHEMISTRY
  • NCERT Inorganic Chemistry
  • Concise Inorganic Chemistry by J.D. Lee
  • IIT Chemistry by O.P. Aggarwal
• GENERAL CHEMISTRY
  • J.D. Lee
  • O.P. Aggarwal
  • R.C.Mukerjee

for physics,

• MECHANICS
  • Physics by H.C. Verma
  • Problems in physics by I.E. Irodov
  • Resnick and Halliday
• ELECRICITY AND MAGNETISM
  • Resnick and Halliday
  Circuits devices and systems by R.J. Smith
  • Problems in physics by I.E. Irodov
• OPTICS
  • Physics by H.C. Verma
• MODERN PHYSICS
  • Physics by H.C. Verma
  • Problems in Physics by I.E. Irodov
• HEAT AND WAVES
  • Physics by H.C. Verma
  • Resnick and Halliday

for physics just do hc verma its enough

for physical chem p bahadur,for organic arihant organic chem and for inorganic op tondon

for mathematics buy the full arihant maths series these r too gud>>>>>>....