Hello, 556 is a good score for NEET. The cut off marks for every state is different for different categories. There are certain colleges mentioned below which gave admission on the basis of the information provided. Please note that the following cut off scores are of 2018 and the cut off scores change every year. 

1. Sarojini Naidu Medical College, (548 cut off)

2. Lala Lajpat Rai Memorial Medical College, (551 cut off)

3. Maharnai Laxmi Bai Medical College, Jhansi ( 543 cut off) 

For more information please click on the following link 

https://medicine.careers360.com/articles/neet-cutoff-up

Good luck!