The correct answer is: A. Pt. Ravishankar Shukla.
Pt. Ravishankar Shukla was a freedom fighter and politician who played a major role in the Indian independence movement. He was also the first Chief Minister of Madhya Pradesh. On August 15, 1947, he hoisted the Indian flag at the Durg Fort, marking the independence of India.
Shri R. K. Patil was a freedom fighter and politician who served as the Chief Minister of Madhya Pradesh from 1957 to 1962. He was not present in Durg on August 15, 1947.
Shri Ghanshyam Gupta was a freedom fighter and politician who served as the Minister of Finance in the Madhya Pradesh government from 1957 to 1962. He was not present in Durg on August 15, 1947.
Pt. Ramgopal Tiwari was a freedom fighter and politician who served as the Chief Minister of Madhya Pradesh from 1972 to 1975. He was not present in Durg on August 15, 1947.