Through all India quota the cutoffs are usually higher and that is why any score at least less than 600 out of 720 is less. Even for Dental, you need to secure at least 550 marks in Neet if you belong to general category. If you are from general category and looking for MBBS seat then you must secure a rank within 11000. With 75000 ranking it would be quite difficult to get any seat through all India quota. However you can try for state counselling as for state quota candidates the cutoffs are comparatively low and the private medical colleges participate in state counselling so you have chances to get seat in private medical colleges. To get complete list of colleges you can based on your rank use this link
http://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer