Mufti Imdadul Haque completed Dawrah-e-Hadith and Takhassus fil Fiqh (Fiqh Honors) from Jamia Qasimul Uloom Dargah-e-Hazrat Shahjalal (Rah.) Sylhet.
He previously served as a Muhaddis at Dhaka North Ranaping Arabia Madrasah, Golapganj, and Jamia Husainia Motinia Hetimganj Madrasah.
Currently, he is serving as a Muhaddis and Mufti at Jalalpur Qasimul Uloom Madrasah, Jagannathpur, Sunamganj, and as Imam and Khatib at Palliganj Bazar Central Jame Masjid, Jagannathpur, Sunamganj.
Additionally, he is the Director of Islamic Research Council Bangladesh.
He is also a Mufti and member of the admin panel of the popular and accepted Fiqhi Facebook group 'Dainandin Jiggasha: Shari'i Solution'.