You haven't mentioned the State that you hold the domicile of. Nevertheless, 181 is a tad less score for a seat in Government BDS College even with SC reservation. You will need more than 400 and above. If you want to study BDS, you may have to reappear for NEET in 2021 and if you are planning to do so, please use our NEET knockout plan: https://learn.careers360.com/knockout-neet-may/ . Having said that, this is based on 2019 data and cut offs change every year. Cut offs change every year depending on various factors such as no.of Candidates appearing for the exam, no.of Candidates qualified, top NEET score and difficulty of the exam. For a complete list of colleges that you may have a shot at, please use our College predictor: https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer