At Bangabandhu Sheikh Mujib Medical University Hospital, Zahidul Haq held the post of Ex-Professor (Surgery). A colorectal and general surgeon in Dhaka, he holds MBBS, FCPS (Surgery), FRCS (Glasgow), MS (Surgery) and FASCRS, and completed colorectal surgery training at NUH, Singapore. Patients with concerns such as piles, colon cancer, fistula, fissure or other colon and rectal conditions can seek his care. He sees patients at Bangladesh Specialized Hospital from 5pm to 8pm, and at Popular Diagnostic Center, Dhanmondi, from 8pm to 10pm. Both chambers are closed on Thursday and Friday.