561 out of 720 is quite a good score in Neet. With this marks, you can expect all India rank around 19000 to 21000. However this is your expected rank. You know that the cutoffs change every year so it is quite difficult to predict. But if we go through last year's data, then 561 marks, moreover in OBC Category can fetch you a seat in Army College of Medical Sciences Delhi. But keep in mind this is based on previous year cutoffs and this year it might change. So, to get your own personalized report of the colleges you can get based on your rank and score, use the link http://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer