Dear aspirant

Hope you are doing well. It is difficult to predict because cut off change every year depends on various factors

• No of seat available
• No of students apper in exam
• Difficulty level of exam.

As you secured 512 mark in neet ug exam your expected rank will lie in between 77,546 - 79654. So chance are  less to get a government medical seat. This is based on previous years trends, you can check your cut off using the link given below

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

You can check the previous years cut off of government medical college through given link below

https://medicine.careers360.com/articles/neet-cut-off

You can use neet college predictor tool to get chance in other college

https://medicine.careers360.com/neet-college-predictor?utm_source=qna&utm_medium=neet_cp

Thank you, hope this information helpful for you.