Itanagar, Oct 14 (UNI) The Bharatiya Janata Party (BJP), Arunachal Pradesh, on Wednesday said the proposed Siang Upper Multipurpose Project (SUMP) should be viewed in the context of national security, water resource management and the changing strategic situation in the region, asserting that preliminary feasibility studies should not be mistaken for a decision to begin construction. Addressing a press conference at the BJP state office here, Rajya Sabha MP Tai Tagak and Information and Public Relations Minister Nyato Dukam defended the project's significance and responded to criticism by Congress leaders over SUMP and other hydropower projects in the state. Tagak…