Which Vedic text has been recognized by UNESCO as part of the World Human Heritage (Memory of the World) literature?

Explanation

Rigveda. The manuscripts of the Rigveda were included in 2007 in the Memory of the World Register of UNESCO to preserve them for humanity as part of humanity’s documentary heritage. The Rigveda is the oldest of the four Vedas (composed around 1500 – 1200 BCE) and consists of 1,028 hymns organized into 10 Mandalas. The UNESCO Memory of the World Register is a prestigious international listing initiated in 1992 to preserve and provide access to the world's most significant documentary heritage.