You have not mentioned the category you belong to so I am  assuming  you from general category

In neet 2019, 519 marks was the lowest marks that was required for general category for getting a mbbs seat in KPC MEDICAL COLLEGE AND HOSPITAL, JADAVPUR   under West Bengal  state quota

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 get at around 550 marks to be on the safer side in your neet 2020 examination

Now that your Neet examination is over you must have calculated your expected score,  to get the list of colleges in which you have chances, you can go through our college predictor

https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer

It gives you a personalized report with top college in which you have chances for admission , with the help of predicted colleges you can make better choice while filling your choices of colleges during your counselling

Thankyou