Are the books I.A. Maron,S.L. Loney,hall knight written exclusively for iitjee?Tell me about M.L. Khanna,How is it?Tell me about other books as well .

I have already given you details for mathematics books. Here are some gud ones for other subjects-

Organic Chemistry - Morrison & Boyd

Inorganic Chem. - J.D.LEE

Physical Chem. - O.P. Aggarwal

For physics , H.C.Verma is the ultimate book. The unsolved questions given at the back of every chapter are sufficient to score good enough in JEE.