Bulbul joined the Bangladesh Liberation war in 1971 when he was 15 years old. He served in a Mukti Bahini base in Zinzira. His older brother, Iftekhar Uddin Ahmed Tutul, served in the Crack Platoon of the Mukti Bahini. He trained in India and fought in Lalbagh Thana and New Market Thana of Dhaka.
In October, he was captured by the Pakistan military and Razakars while returning to India for more training.[4] He was transferred to a jail in Mymensingh, where he was tortured and witnessed the mass execution of 39 Mukti Bahini prisoners by the Pakistan military. He was transferred to the residence of Dana Miah, which served as the local office of the East Pakistan Central Peace Committee. He was tortured there along with other members of the Mukti Bahini. He was able to escape from the camp.[4]
War crime witness
Bulbul testified against convicted former Jamaat chief Ghulam Azam in the International Crimes Tribunal. Following the testimony as a witness, Bulbul's younger brother was killed, and his dead body was found near the Kuril overpass in Dhaka. Bulbul urged the government to ensure his security after the murder of his brother. He said that he had received death threats several times.[6]
Death
Bulbul was taken to Universal Medical College and Hospital in Dhaka around 6:15 am, where the doctors declared him dead.[7] He had suffered cardiac arrest.[4]