General GMAT Questions and Strategies | Should I delay based on my slow improvement? 4 Weeks to go.

Hi Everyone, I am planning to take the exam in 4 weeks. Quick background, 31 Yr Indian IT male, learned English in 8th standard, Noida. Planning to go to top school in Asia. (INSEAD my top choice, ideally 720++)

Been studying for 4 months already, GMAT prep tests are placing me in V34-36, Q45-46 ~ 640++
This is up from 4 months ago at V25, Q43, (560).......my target is 720++

I have access to :
-MGMAT books (read all)
-Magoosh (not attempted questions, only seen all video's)
-E-GMAT (verbal helped
...

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