Matters related to which one of the following subjects are not handled

Matters related to which one of the following subjects are not handled by the Ministry of External Affairs?

Notification regarding commencement or cessation of a state of war
World Health Organisation
Demarcation of the land frontiers of India
Indian Council of Cultural Relations
This question was previously asked in
UPSC SO-Steno – 2017
While the Ministry of External Affairs (MEA) is involved in international boundary agreements and negotiations related to the demarcation of land frontiers, the physical demarcation, survey, and management of land frontiers of India are primarily handled by the Ministry of Home Affairs (MoHA) and agencies under it, such as the Survey of India (under the Department of Science & Technology) and border guarding forces. Therefore, C is the subject where MEA’s role is less primary or is shared with other ministries, compared to the others.
The operational management and physical demarcation of land borders are primarily the responsibility of the Ministry of Home Affairs and associated departments/agencies. While MEA handles the diplomatic and treaty aspects of boundaries, the day-to-day matters and physical processes fall largely outside MEA’s direct purview.
Statement A (Notification regarding commencement or cessation of a state of war) is handled by MEA as it is a matter of international relations and foreign policy. Statement B (World Health Organisation) is handled by MEA as it involves India’s participation in an international organization. Statement D (Indian Council of Cultural Relations) is an autonomous organization under the administrative control of MEA, responsible for India’s cultural diplomacy.