Concept:Identification of the Indian Navy mission for maritime evacuation during COVID-19.
Explanation:During the COVID-19 pandemic, many Indian citizens were stranded overseas and needed to return home.
The Government of India launched the Vande Bharat Mission to evacuate these citizens.
As part of this mission, the Indian Navy launched Operation Samudra Setu to repatriate Indians by sea.
Naval ships were used to bring back stranded citizens from countries such as Maldives, Sri Lanka, and Iran.
Therefore, the correct name of the sea-based repatriation mission is Operation Samudra Setu.
Answer:Option A: Operation Samudra Setu.