Explanation:

- Option 1: Indian Army

- Operation Sadbhavna is a welfare initiative by the Indian Army.

- It aims to win the hearts and minds of people in conflict regions, primarily in Jammu and Kashmir.

- The initiative focuses on education, healthcare, and women empowerment.

- Option 2: Indian Navy

- The Indian Navy is not associated with Operation Sadbhavna.

- The Navy typically focuses on maritime operations and naval exercises.

- Option 3: Indian Air Force

- The Air Force primarily engages in aerial defense and air support operations.

- It is not involved in Operation Sadbhavna.

- Option 4: Indian Army and UN Peacekeeping Mission

- While the Indian Army participates in UN Peacekeeping Missions, Operation Sadbhavna is not a part of these missions.

Option 1: Indian Army