which is better to crack iit jee -classic books such as i a maron, s l loney,hall and knight etc or new books such as arihant or cengage ghanshyam tewani ?

DOing the right amount of books is what is required to crack IIT JEE for the longer run.
I am providing the set of books to score best
Reference Books for Engineering Entrance Exam

Chemistry

NCERT Chemistry text books of class XI and class XII (usually sufficient)
Organic Chemistry by Morrison and Boyd (only for understanding concepts)
Arihant Organic Chemistry Objective (Optional)
Organic, Physical and Inorganic Chemistry books by OP Tandon
Physical Chemistry by RC Mukherjee

Mathematics

NCERT class XI and class XII books (all students should start with these early)
For best concepts you can purchase ‘IIT Mathematics’ by ML Khanna
New Pattern IITJEE Mathematics of Arihant Publications by Dr SK Goyal
Books by SL Loney (Good for coordinate Geometry and Trigonometry)
RD Sharma
GN Bernnam – only use it for calculus as other sections are too advanced for JEE

Physics

NCERT Physics for Class XI and XII (good introduction)
Concepts of Physics, Vol.-I & II, by HC Verma
Physics by D.C. Pandey, Arihant Publications
Fundamentals of Physics, by Halliday, Resnik and Walker (Optional)