[1][5][6] Nurul Islam was born in 1955 in the village of Walipur in the Habiganj subdivision of Sylhet district, East Bengal.

He belonged to a Bengali Muslim family descended from Naimullah Taluqdar, a distinguished landlord of Gauranger Chowk, and was the youngest of 5 brothers and 2 sisters.

He then spent a further two years studying Tafsir under Shamsuddin Qasemi at the Jamia Hussainia Arzabad in Mirpur.

[8] After completing his institutional education, he taught several topics including Hadith and Tafsir several years in Shāhpur Husayniyyah Madrasah in Chunarughat.

After that he worked at his alma-mater Jāmiʿah Saʿdiyyah Raidhar for eight years where he taught Arabic grammar, logic and jurisprudence.