The correct answer is the Rigveda. The Rigveda is the oldest Veda and contains the oldest Hindu scriptures. It is a collection of hymns, which are mostly addressed to the Vedic gods. The Rigveda mentions the ‘Battle of Ten Kings’ in several hymns, including the tenth book of the Rigveda. The battle is said to have taken place between the Bharatas and the Ten Kings, and it is believed to have been fought in Haryana.
The Samaveda is a collection of Vedic hymns that are meant to be chanted in unison. It is based on the Rigveda, and it contains many of the same hymns. However, the Samaveda hymns are arranged differently, and they are often accompanied by music.
The Yajurveda is a collection of Vedic texts that are used in sacrificial rituals. It contains instructions on how to perform these rituals, as well as the mantras that are to be recited during them.
The Atharvaveda is a collection of Vedic texts that deal with magic and healing. It contains spells, incantations, and remedies for various ailments.
The Rigveda is the oldest and most important of the Vedas. It is a collection of hymns that are mostly addressed to the Vedic gods. The Rigveda mentions the ‘Battle of Ten Kings’ in several hymns, including the tenth book of the Rigveda. The battle is said to have taken place between the Bharatas and the Ten Kings, and it is believed to have been fought in Haryana.