Any four differences between stupa style and shikhar style are; Stupa style are mainly a Buddhist style of architecture and Shikhar style are mainly style of architecture of hindu. The stupa have single towering but shikhar style has many towering. Various Buddhist statues are kept in it where as various gods atatues are kept in shikhar style. Most Buddhist use it to meditate and perform religious performance whereas hindus use the shikhar style architecture for performing various religious performance. hope it helps