Firstly never panic in any situation, As you are a student who  preparing for NEET so be strong in any situation and be motivated. Now coming on your problem, Never loose hope , you know very well that hows your preparation is going on so you also know that how much you able to score in this exam.

So be stay and preparing for exam , But if you want to attain this on going counselling then must attain it and reserved a seat .

As it is said " kabhi waisa kaam mat karo , jisse future mai aisa kehna na pare ki , kaash us samay ye kar liya hota to sayad aaj jada sahi hota.

So always do whatever your heart and mind desired.