Shimana emerged in showbiz in 2006 through the Lux-Channel i Superstar competition. She gained wide recognition for her role as Kakoli in the drama "Sakin Sarisuri", directed by Salahuddin Lavlu.

After battling for life for 14 days at the hospital, Rista Laboni Shimana passed away today due to severe brain hemorrhage complications.

Today (June 2), Ejaz Bin Ali, Shimana's brother, informed The Daily Star, "My sister's condition is worsening by the day. We’re going to run a CT scan today. Doctors have put her on life support as a last resort due to her respiratory difficulties. Please pray for her recovery."