The Prime Minister`s National Relief Fund is operated by the Prime Minister`s Office (PMO). This fund is a public charitable trust that was established in 1948 with the primary objective of providing financial assistance to individuals and institutions affected by natural disasters or other calamities, such as floods, earthquakes, cyclones, and epidemics.

Option 1 - The Prime Minister`s Office (PMO): This is the correct answer. The PMO is responsible for operating and managing the Prime Minister`s National Relief Fund.

Option 2 - The National Disaster Management Authority: This is not the correct answer. The National Disaster Management Authority (NDMA) is a different organization that is responsible for planning, coordinating, and implementing measures for disaster management in the country.

Option 3 - The Ministry of Finance: This is not the correct answer. The Ministry of Finance is responsible for managing the government`s finances and formulating economic policies, but it is not involved in the operation of the Prime Minister`s National Relief Fund.

Option 4 - The National Development Council (NDC): This is not the correct answer. The National Development Council (NDC) is a policy-making body that provides a platform for discussion and coordination between the central and state governments on matters related to economic and social development