Explanation:

- Correct Answer: Option 1 - Dharmendra Pradhan

- Dharmendra Pradhan was the Union Minister of Petroleum and Natural Gas in 2019. He played a significant role in launching initiatives to promote energy conservation and efficiency, including the Sanrakshan Kshmata Mahotsav (SAKSHAM).

- Option 2: Nitin Jairam Gadkari

- Nitin Gadkari is known for his work as the Minister of Road Transport and Highways. Although highly influential in infrastructure projects, he was not directly involved with SAKSHAM in 2019.

- Option 3: DV Sadananda Gowda

- DV Sadananda Gowda served as the Minister of Chemicals and Fertilizers during this period and did not have a role in launching energy conservation drives like SAKSHAM.

- Option 4: Suresh Prabhu

- Suresh Prabhu was the Minister of Commerce and Industry in 2019 and was not associated with the petroleum or energy sector-related initiatives like SAKSHAM.