For 540 marks in neet 2018 rank is 13000 and in 2018 rank is 9000 going by this what rank I would expect in this Mark's

Dear Sir / Ma'm, the rank according to your probable score keeps on fluctuating a little with every year with the difficulty level of the paper and the number of students who appear for the entrance test.  According to our NEET Rank predictor tool, your predicted All India rank is showing to be 8,800-10,322. This is just a rough prediction, but in all probability, you can expect a rank in this range only.