In a condolence message, the Prime Minister said that the singer, who won National Film Award for four times, will live in the hearts of the people.
She prayed for the peace of the departed soul and extended sympathy to the bereaved family.
Subir, who won the Ekushey Padak in 2019, passed away at a hospital in Singapore on early Tuesday.
His body will be brought to Dhaka tomorrow morning. It will be taken to the Central Shaheed Minar to allow people pay their last respects.
Subir was taken to Singapore on April 30. His health condition deteriorated once again yesterday as he had suffered from multiple organ failure at the hospital.
He was admitted to Combined Military Hospital in Dhaka on April 14. The singer suffered a cardiac arrest soon after he was taken to the CMH emergency department.