Israr e Haqeeqi اسرار حقیقی is written by Hazrat SultanalHindHazoor Ghareeb Nawaz Khwaja Muin ud Din Chishti Ajmeri(AjmerSharif, India) Rahmatullah Alaeh. This book, in fact,consists ofwords written to Khalifa e Khaas of Hazrat Muin ud Din,HazratBakhtyar Kaaki Rahmatullah Alaeh, as well a renownedSufiPersonality in indian Subcontinent.