Explanation:

- Correct Answer: Option 4 - Dr. Sitaramayya

- Dr. Bhogaraju Pattabhi Sitaramayya was the first Governor of Madhya Pradesh. He took office on November 1, 1956, when the state of Madhya Pradesh was formed.

- Option 1: BD Sharma

- BD Sharma was an Indian politician and administrator, but he did not serve as the Governor of Madhya Pradesh. His notable work was mainly in bureaucracy and social contexts.

- Option 2: GP Singh

- GP Singh is not recognized in historical or political records as a governor of Madhya Pradesh.

- Option 3: NN Wanchu

- NN Wanchu does not appear in historical records as a figure associated with the governorship of Madhya Pradesh.

Dr. Sitaramayya's role as governor was significant during the formative years of the new state, helping to establish foundational governance.