IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-1-45831 Original Research Paper Basilar Artery Occlusion Patel Dr. Anchin Kalia Dr. Vaishali Sharai Dr. Shikha Yadav Dr. Naveen Chhaba Dr. January 2023 12 1 01 02