Reschedule_ Need 130 Points Jump_ Q34 V40 to Q49 V40

Hi, I need some guidance and help ASAP! My Target Score is 730+ and I am targeting B schools like INSEAD, ISB, IIM A PGPEX and IIM C PGPEX( 1yr courses to be precise) I have booked my exam date for August 1.I intend to join this coming batch of Jan 2017 for ISB and likes or Sep 2017 for INSEAD (...)