gate geology and geophysics prepare material need to study

Dear Palani, the syllabus is more than our character limit to type it down for you. Neverthless, you can download the syllabus from our page at: https://engineering.careers360.com/articles/gate-syllabus

Few books that might help you are:
1. Engineering Geology by R. Nagarajan, A. Parthasarathy, V. Panchapakesan
2.Principals of Engineering by  GeologyK M Bangar
3.A text book of Geology by G. B. Mahapatra
4.Engineering and General Geology by Parbin Singh
5.Structural Geology by Marland P Billings
6.Economic Geology by Umeshwar Prasad
7.Textbook of Physical Geology by G B Mahapatra
8.Principles of Geomorphology by W.D. Thornbury
9.Principles of Petrology by G W Tyrrell
10.Fundamentals of Geophysics by William Lowrie
11.Danas Textbook of Mineralogy by William E. Ford
12.Quantitative Geophysics and Geology by Louis Lliboutry