For his bravery in the Bangladeshi war of independence, The Government of Bangladesh awarded him the title of Bir Uttom.

When Khaled Musharraf was injured in October, Major Chowdhury became the commander of the Mukti Bahini 'K' Force.

[5][4] At the end of September 1971, the entire area, including Nayanpur, near the Salda river railway station in Brahmanbaria district, was heavily defended by Pakistan Army.

In September, Pakistani forces strengthened their defenses and the Mukti Bahini attacked led by Chowdhury.

[6] On 11 February 2010, a book was published about his life titled "Major Abdus Salek Chowdhury and the Salda War".