There are about 6 months in SSC CGL 2017 exam. I think 6 months are enough to prepare if we follow some point.
First of all we need to know syllabus. If we know syllabus and exam pattern then we will not miss any important topic and we’ll understand how much preparation is needed.
Second thing is we should Make Short Notes whatever we read, it will help in revision.
We should Learn Short Tricks for reasoning and aptitude.
Solve Previous Year Question Papers.
It is one of The Most Important Point.
As It will help you to get perfect idea about the exam pattern, paper pattern.
You will understand the types of question.
It will also improve your speed.
For Previous year question papers you can go for Kiran Publications Previous year Solved question paper’s. There are four books for English, Mathematics, Reasoning and General Awareness.
You can buy it from below links. Click on below image.
Hope it will help you !!
Best of Luck..