Separation of powers is a doctrine of constitutional law under which the three branches of government

1. executive,

2.legislative, and

3. judicial

1.The Executive 

The executive branch ,is responsible for implementing and enforcing laws. The Prime Minister is the head of the executive branch, and the Cabinet is responsible for advising and assisting the Prime Minister in carrying out these duties.

2. The legislative 

The lagislative branch, on the other hand, is responsible for making laws. In Bangladesh, the legislature is known as the Jatiya Sangsad or the National Parliament. It is a unicameral legislature consisting of 350 members, with elections held every five years.

3. The judiciary 

The judiciary branch is responsible for interpreting and enforcing the laws. The judiciary in Bangladesh consists of several levels, including the Supreme Court, which is the highest court in the country.