Martuza joined Dhaka University in 1955 as a medical officer. He was involved in left wing politics. He helped publish "Gana-Shakti", edited by Badruddin Umar, where he had his own column titled Deshe Deshe Mukti Juddha. He also wrote many books. His book "Jana Sankhya O Sampad" won the National Bank Literary Award in 1964. He provided medical treatment and financial help to members of Mukti Bahini during Bangladesh Liberation war.