Kindly give advise that how to use reading non fiction and fiction Books for improvement in verbal.
For long term improvement, you can read the NY Times, or Wall Street Journal. Generally speaking, you won't see direct results to your GMAT unless you work together with someone to critically analyze and dissect the newspapers.
Your best bet for more short term improvement may be to watch through some of these RC videos:http://www.gmatpill.com/practice-questi ... -guide-rc/
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