Hi

You have tagged University College of Medical Sciences, New Delhi so I will be answering your question with respect to that

In neet 2019, 508 marks was the lowest marks that was required for sc category for getting a  seat  in University College of Medical Sciences, New Delhi  under Delhi State quota.

You can check the same at

https://medicine.careers360.com/articles/neet-cutoff-du/amp

But cut off marks  keeps changing every year depending upon various factors like number of students that appeared in the exam, kind of marks obtained by them , toughness level of the examination etc.

So , you should try to get at least around 530 marks to be on the safer side in your neet  examination to get into University College of Medical Sciences, New Delhi

Thankyou