In which region the inward dimension of islam was spread by Shah Makhdum Rupos?
Shah Makhdum Rupos: Shah Makhdum (Bengali: শাহ মখদুম ; died 1313 CE), born Abdul-Quddus Jalaluddin and also known as Rupos, is a Sufi Muslim figure in Bangladesh. Shah Makhdum Rupos:  He is associated with the spread of Islam into the Varendra region of Bengal by the preaching method of Sufism. Sufism: Sufism or Taṣawwuf (Arabic: الْتَّصَوُّف [sect]; personal noun: صُوفِيّ - "ṣūfiyy"/ "ṣūfī", مُتَصَوّف - "mutaṣawwūf"), which is often defined as "Islamic mysticism", "the inward dimension of Islam", or "the phenomenon of mysticism within Islam", is a mystical trend in Islam "characterized ... [by particular] values, ritual practices, doctrines and institutions" which began very early on in Islamic history and which represents "the main manifestation and the most important and central crystallization of" mystical practice in Islam.
Varendra region of Bengal