No, Boards marks will be not counted in NEET 2017. You will get admission on the basis of your rank.
For preparation, Be thorough with NCERT (Physics, Chemistry and especially, Biology) books of 11and 12 standard
Solve previous year questions papers
Focus on important areas like-
**Physics**- Mechanics, Optics, Thermodynamics and Nuclear physics.
**Chemistry**- Mole concept, General organic chemistry, Periodic table, Chemical bonding, Coordination chemistry.
**Biology-** Ecology and
environment, Genetics, Cell Biology, Morphology of plants and animals,
Reproduction in plants and animals, Physiology of plants and animals,
Basics of Biotechnology
Try to solve as many MCQs for your practice and also solve complete mock test series.