Batni Khilafat is an Islamic research book in which Qari Zahoor Ahmad Faizi discusses the concept of spiritual (inner) leadership and succession (Khilafat) in the light of the Qur'an, Hadith, and the teachings of classical Islamic scholars. The book explains the distinction between outward political authority and inward spiritual guidance, highlighting the role of the pious saints (Awliya Allah) and righteous scholars in preserving the spiritual legacy of Islam. Through references from authentic Islamic sources, the author examines the principles of spiritual succession, addresses common misconceptions, and emphasizes adherence to the Qur'an, the Sunnah, and the teachings of the Ahl al-Bayt and the righteous predecessors. It is written in a research-oriented yet accessible style for readers interested in Islamic theology and spirituality.