SEBC stands for Socio Economical Backward Class. This is a subdivision among the BC Category which has 16% reservation in Maharashtra. These are the Candidates who annual income is lesser than 8 lakhs including all sources. And SEBC is a state level reservation and not applicable across India. So NEET has only UR, EWS, OBC,SC,ST reservations listed in the application form. You have to select OBC-NCL during filling the NEET application form.