The Odisha Secretariat is located in:

Bhubaneswar
Cuttack
Puri
Rourkela

The correct answer is: a) Bhubaneswar.

The Odisha Secretariat is the seat of the government of Odisha, India. It is located in Bhubaneswar, the capital of Odisha. The Secretariat is a complex of buildings that houses the offices of the Chief Minister, the Council of Ministers, and other government departments.

Cuttack was the capital of Odisha until 1948. It is now the second largest city in Odisha. Puri is a holy city for Hindus and is home to the Jagannath Temple. Rourkela is an industrial city in Odisha.