I scored 160 in jee mains and am expectin 92% in cbse 12th(from delhi).wil i get a seat in ME in dce?i hv obc certificate frm bihar,nt delhi

Jee mains-160/360 cbse 12-92% above expected obc but dont have delhi certificate as it is not possible as i dont have address proof since 1993.bt caste comes in delhi list too.have obc certificate of central govt.will it work?need a seat in dce in mechanical.plz help.URGENT.