[2] Choudhury has many contributions in Northeast India, covering Islamic and social development, and had participated in the Bengali Language Movement of the Barak Valley.

[4] He then proceeded to study at the local madrasa at Daudpur and subsequently at the Sylhet Government Alia Madrasah where he passed his Mamtazul Muhadditheen in 1940.

[4] Choudhury's activism began in his student life, and he was associated with the Jamiat Ulema-e-Hind sought for independence from the British Raj while opposing the Partition of India.

As soon as Choudhury received the letter in September 1947, he settled in the village of Alaqulipur in Karimganj, leaving his parents, siblings and spouse.

[4] In October 1947, Choudhury was appointed the principal of Deorail Senior Madrasa, under the instruction of its founder Shah Yaqub Badarpuri.