Marium Helal, the chairman of Marium Group of Industries and Marium Foundation, has died at a hospital in Dhaka.
The 93-year-old, who had long been suffering from old age complications, breathed her last at around 3:15am on Monday, says a press statement.
Mrs Marium was the sister of Bangladesh's first Prime Minister late Tajuddin Ahmad. She left behind four sons, one daughter and host of relatives to mourn her death.
The Marium Group of Industries said it was deeply saddened by the passing of Mrs Marium and expressed sincere condolences to the members of her bereaved family.