According to the updated information, the condition of Begum Khaleda Zia and Osman Hadi is promising, but the final decision depends on the doctors.

Brief update:

Begum Khaleda Zia
Under the supervision of doctors. At various times there have been reports of improvement in his physical condition. The family is being informed regularly—treatment is ongoing and he is under observation.

Osman Hadi
Although he is under treatment in critical condition, the latest update says that he is responding to treatment. Treatment is being carried out under close observation.

Important points:
At the moment, there is no opportunity to definitively comment on the case of anyone "surviving" or "not returning". Doctors observations and official medical updates are the only reliable sources.Best wishes for both of you to get well.