Hello aspirant

As you haven't mentioned your category to which you belong,  considering you as a general category candidate,  With neet score 518 , whether you will get government college or not depends upon neet cut off 2024 . Cut off keeps changing every year and depends upon various factors such as number of students appeared in exam,  Toughness level of exam,  seat intake,  previous year's cut off etc.

Nert cut off for general category candidate is 50th percentile ie score between 720- 164 .

This year cut off is high hence it's difficult to get government seat with 518 .

For rank and college prediction you may visit the links given below

https://medicine.careers360.com/neet-rank-predictor

https://medicine.careers360.com/neet-college-predictor