•Date of birth: 04-10-1953 ( Kadhurkhil, Boalkhali)
•Nationality- Bangladeshi
•Language skill: English, Bangla, Russian and Hindi (spoken)
•Father-: Pulin Behari Chowdhury
•Mother: Nirupama Chowdhury
•Wife: Supriya Chowdhury, Director Chevron Clinical laboratory Pvt ltd.
•Daughter: Mowsumi Chowdhury, MBBS, MS(Ophthalmology), Senior Assistant Surgeon, Chittagong Eye Infirmary and Training Complex.
•Son:(Mechanical Engineer), Uschas Chowdhury, BSc, MS and PhD, University of Texas at Arlington (UTA), USA
•Daughter- in- law: Chanda Das Gupta (Computer Engineer), BSc, Student in UTA, USA