Well honestly it will a bit hard for you but all depends upon yourself
Bds also have a huge syllabus including anatomy, biochemistry, physiology ,dadh etc so it will be bit hard there will be semesters , practical classes and neet also need to study a lot whole 12+11 so you decide but i will suggest you if you are planning to reappear in neet next year and want to join mbbs very badly then drop a year and study hard it will fetch you a seat easily but bds + neet will be a bit hard.
Hope it helps
Best of luck future doctor.