Dr Mohammad Nazim Uddin, spokesperson of Square Hospitals Ltd, said the driver of Ayub Bachchu took him to the hospital around 9:40 am and doctors declared him dead around 9:55 am.
The famous singer had been suffering from heart disease for long and the performance rate of his heart was 30 percent, he said.
Now the body of the singer has been kept at the mortuary of the hospital, he added.
His body will be kept at Shaheed Minar from 10:30 am to 12:30 pm on Friday so that people can pay tributes to the popular singer, said singer Hassan Abidur Reja Jewel in his Facebook post.
Then, his namaj-e-janaza will be held at the National Eidgah after Jumma prayers.
The legendary singer will be buried beside his motherâs grave in his home district Chattogram, said the post.
Bachchu, the lead guitarist of musical band âLRBâ (Love Runs Blind), was born in Chattogram on August 16, 1962.
Bachchu made his debut in the music industry by giving voice in the song âHarano Bikeler Golpoâ.
In 1986, he released his first music album âRakto Golapâ. His success story began when his second album âMoynaâ was released.
Photo: Zabed Hasnain Chowdhury/UNB
He came close to listeners by releasing the third album âKoshtoâ in 1995. The album was super hit. The song âKoshto Pete Bhalobasiâ touches the listenersâ heart very much.
Ayub Bachchu became a heartthrob singer overnight across the country for the heart touching song.
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â Anupam Roy (@aroyfloyd) October 18, 2018
Although he was a rock singer he impressed the listeners with modern, classic and folk songs.
Meanwhile, President Abdul Hamid and Prime Minister Sheikh Hasina expressed deep shock at the death of the popular singer.
In his message, the President prayed for the eternal peace of the departed soul and conveyed sympathy to the bereaved family members.
Cultural Affairs Minister Asaduzzaman Noor expressed profound shock at the death of the legendary singer.
In his message, Asadduzzaman Noor said Ayub Bachchu took the band song of Bangladesh to high level. His contributions to popularise the band music to the young people is immense. "The people of the country specially the young generation will remember him forever."
Photo: Zabed Hasnain Chowdhury/UNB
His fans also flooded the social media platform expressing their deepest condolences to the iconic figure of the countryâ music industry.
Bachchu performed live with Richard and Le Gang (France), Remo Fernandez, NandonBugchi, and Bikram Gosh of India; and Azam Khan (singer), Feelings (now NogorBaul), Miles, Warfaze and many more.
He started his music career from his birth place Chittagong with the band Feelings in 1978. Then he joined the band Souls in 1980.
Leaving Souls in 1991, Bachchu formed LRB after 10 long years of practice for perfection.
LRB is the only Bangla rock band which played in famous Madison Square Garden in New York City.