Which of the following is correct about the missions of National Archives of India

(A). To encourage the scientific management, administration and conservation of records all over the country.

(B). To foster close relations between archivists' and archival institutions, both at the national and international levels.

(C). To encourage greater liberalization of access to archival holdings.

(D). To help in spreading a feeling of national pride in our documentary cultural heritage and ensuring its preservation for posterity.