urgent_urgent: help needed

sir i have done with my boards hoping 70-80% still one xam on 30th march.
really wanna b NIT allahabad.(even had HS quota but general)
SO plz help me.

i have left resonance in 12th but after some months i have to left it bcoz of brain tumor. even duing resonane coaching i wasnt good at studz.
so now how to prepare ?? hardly one month left. i really want atlest 10000 rank.
which books to b prefered ?? i also have resonance material [only study material] along with some jee books.
i dont want to drop. plz reply asap as every hour matters.
which chp. should b done first ?
i m aiming aieee but still what i will do @jee ?

plz tell me systematically how to proceed and how much days should i study some topic etc.
in short a very detailed answer .

i hope u will help me.