IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-8-8-20367 Original Research Paper Autosomal Dominant Cerebellar Ataxia including SCA 2,SCA 3,SCA 7 and SCA 12 : An Overview Singh Dr. S N Shamal Dr. Royana Singh Dr. August 2019 8 8 01 02 ABSTRACT