Hi aspirant

You have scored very well .According to your marks i.e 612 you rank would be within 1k or you can say 640-994 approximately.

As the number of students changes every year and their aggregate also.So there may be slight variation in it.

You have scored very well and you will get decent medical colleges of India.

Visit here to see college wise cut off for colleges:https://medicine.careers360.com/articles/neet-cut-off#

Hope this was helpful.