This is very good to know that you are so serious about your NEET exam but as you are in 11th standard right now so it would be better if you focus on your studies rather than thinking about the cut off because this is the right time when you can make all your basics very strong and clear, I hope you got what I am trying to convey. Apart from this, there is nothing out for NEET 2018 cut off for Gujarat but as per previous year information the state closing rank was 160 so according to that the marks should be 550+. So I would say plan and prepare very hard so that you can easily get your goal accomplished.

Note : The above provided information is given as per previous year cut off but in 2019 when you would be giving the exam the process and the cut off may or may not be the same.

Hope this helps!!!