Hello, here I am providing you the details of the study material for Combined Graduate Level Exam as under:

Quantitative Aptitude
By R. S. Aggarwal

General English
English Grammar & Comprehension by Wren and Martin
General English by Lucent

Reasoning
Verbal and Non-verbal reasoning by R. S. Aggarwal
Analytical Reasoning by M. K. Panday

General Awareness
Standard newspapers like Times of India, The Hindu, Economic Times.
One reference year book e.g. Manorama or India Year Book
For budget, review Govt. Budget website

Syllabus:
MATHEMATICS – QUANTITATIVE APTITUDE - REASONING
syllogism (Reasoning)
Input - Output for bank PO & Clerk
Analytical Reasoning for SSC & Bank
Essential Reasoning for bank & SSC Exam
Basic Arithmetic Operations Short Cut
Data Interpretation
Direction Sense Test
Fraction
Simplification
Speed Mathematics
Maths with Tricks & Shortcuts
Shortcut Tricks of Time & Work
Square & Cubes up to 1000
Trigonometry Basic Identity
TRIGONOMETRIC FUNCTIONS
Basic Geometry Formulae
Allegation and Mixture Quantitative Aptitude
Time & Work Quantitative Aptitude
Maths Basic & Essential Formulas
Maths Short cut (Square)

GENERAL ENGLISH
Sentence Arrangement
General English Grammar - Exam Refresher
Download Important Question of Spotting Errors
Download Word Power Made Easy for Vocab
Dictionary of Idioms and Idiomatic Expressions
Important Idioms & Antonyms from SSC Exams
Important Idioms & Phrases for SSC Examinations

GENERAL KNOWLEDGE