Which of the following statement is\are correct regarding the Samudrayaan Mission?

a. Samudrayaan Mission is part of the Deep Ocean Mission

b. The mission is aimed at sending three personnel to an 8000-meter depth in a vehicle

c. It is India's first unmanned ocean mission.

d. It seeks to investigate the deep ocean for resources, develop deep-sea technology, and support the Indian government's Blue Economy Initiatives.

Which of the given statements is/are correct?